=x11-drivers/xf86-video-virtualbox-4.3.4 won't emerge

Hi,

I'm trying to emerge new virtualbox guest additions and compilation
fails while x11-drivers/xf86-video-virtualbox-4.3.4 is merging:

> ***** xf86-video-virtualbox-link-lazy.patch *****
> PWD:
> /var/tmp/portage/x11-drivers/xf86-video-virtualbox-4.3.4/work/VirtualBox-4.3.4
>
> =================================================
>
> PATCH COMMAND:  patch -p0 -g0 -E --no-backup-if-mismatch  <
> '/usr/portage/x11-drivers/xf86-video-virtualbox/files/xf86-video-virtualbox-link-lazy.patch'
>
> =================================================
> patching file Config.kmk
> Hunk #1 FAILED at 4429.
> 1 out of 1 hunk FAILED -- saving rejects to file Config.kmk.rej
>
> patch program exited with status 1
> =================================================
>
> PATCH COMMAND:  patch -p1 -g0 -E --no-backup-if-mismatch  <
> '/usr/portage/x11-drivers/xf86-video-virtualbox/files/xf86-video-virtualbox-link-lazy.patch'
>
> =================================================
> can't find file to patch at input line 8
> Perhaps you used the wrong -p or --strip option?
> The text leading up to this was:
> --------------------------
> |2012-02-26    Magnus Granberg <[email protected]>
> |
> |    #394757
> |    * Config.kmk    TEMPLATE_VBOXGUESTR3EXE_LDFLAGS.linux add -Wl,-z,lazy
> |
> |--- Config.kmk    2011-12-19 13:58:30.000000000 +0100
> |+++ Config.kmk    2012-02-26 12:40:07.497810044 +0100
> --------------------------
> No file to patch.  Skipping patch.
> 1 out of 1 hunk ignored
>
> patch program exited with status 1
> =================================================
>
> PATCH COMMAND:  patch -p2 -g0 -E --no-backup-if-mismatch  <
> '/usr/portage/x11-drivers/xf86-video-virtualbox/files/xf86-video-virtualbox-link-lazy.patch'
>
> =================================================
> can't find file to patch at input line 8
> Perhaps you used the wrong -p or --strip option?
> The text leading up to this was:
> --------------------------
> |2012-02-26    Magnus Granberg <[email protected]>
> |
> |    #394757
> |    * Config.kmk    TEMPLATE_VBOXGUESTR3EXE_LDFLAGS.linux add -Wl,-z,lazy
> |
> |--- Config.kmk    2011-12-19 13:58:30.000000000 +0100
> |+++ Config.kmk    2012-02-26 12:40:07.497810044 +0100
> --------------------------
> No file to patch.  Skipping patch.
> 1 out of 1 hunk ignored
>
> patch program exited with status 1
> =================================================
>
> PATCH COMMAND:  patch -p3 -g0 -E --no-backup-if-mismatch  <
> '/usr/portage/x11-drivers/xf86-video-virtualbox/files/xf86-video-virtualbox-link-lazy.patch'
>
> =================================================
> can't find file to patch at input line 8
> Perhaps you used the wrong -p or --strip option?
> The text leading up to this was:
> --------------------------
> |2012-02-26    Magnus Granberg <[email protected]>
> |
> |    #394757
> |    * Config.kmk    TEMPLATE_VBOXGUESTR3EXE_LDFLAGS.linux add -Wl,-z,lazy
> |
> |--- Config.kmk    2011-12-19 13:58:30.000000000 +0100
> |+++ Config.kmk    2012-02-26 12:40:07.497810044 +0100
> --------------------------
> No file to patch.  Skipping patch.
> 1 out of 1 hunk ignored
>
> patch program exited with status 1
> =================================================
>
> PATCH COMMAND:  patch -p4 -g0 -E --no-backup-if-mismatch  <
> '/usr/portage/x11-drivers/xf86-video-virtualbox/files/xf86-video-virtualbox-link-lazy.patch'
>
> =================================================
> can't find file to patch at input line 8
> Perhaps you used the wrong -p or --strip option?
> The text leading up to this was:
> --------------------------
> |2012-02-26    Magnus Granberg <[email protected]>
> |
> |    #394757
> |    * Config.kmk    TEMPLATE_VBOXGUESTR3EXE_LDFLAGS.linux add -Wl,-z,lazy
> |
> |--- Config.kmk    2011-12-19 13:58:30.000000000 +0100
> |+++ Config.kmk    2012-02-26 12:40:07.497810044 +0100
> --------------------------
> No file to patch.  Skipping patch.
> 1 out of 1 hunk ignored
>
> patch program exited with status 1

Any idea?
thanks,
Ivan