Bugfixes now in master

These bugfixes
are:

(1)  http://git.io/BtPqgg
     http://git.io/6Yccpw

These address an issue in which packages that aren't supposed to build
as nobody still unpack and install as fink-bld.  This leads to problems
such as the following (kdebase3-unified declares BuildAsNobody: false):

/bin/mv /sw/src/fink.build/root-kdebase3-unified-3.5.10-10/sw/include
/sw/src/fink.build/root-kdebase3-unified-dev-3.5.10-10/sw/
mv: rename /sw/src/fink.build/root-kdebase3-unified-3.5.10-10/sw/include
to /sw/src/fink.build/root-kdebase3-unified-dev-3.5.10-10/sw/include:
Permission denied
### execution of /bin/mv failed, exit code 1
### execution of /tmp/fink.LQV6V failed, exit code 1

$ ls -l /sw/src/fink.build/root-kdebase3-unified-3.5.10-10/sw/
total 0
drwxr-xr-x   2 root  fink-bld  2890 Jul 29 13:58 bin
drwxr-xr-x   4 root  fink-bld   170 Jul 29 13:58 etc
drwxr-xr-x   6 root  fink-bld  1326 Jul 29 13:58 include
drwxr-xr-x   5 root  fink-bld  5746 Jul 29 13:58 lib
drwxr-xr-x  19 root  fink-bld   646 Jul 29 13:58 share
$ ls -ld /sw/src/fink.build/root-kdebase3-unified-dev-3.5.10-10/sw/
drwxr-xr-x  2 fink-bld  fink-bld  68 Jul 29 13:58
/sw/src/fink.build/root-kdebase3-unified-dev-3.5.10-10/sw/

The change does indeed solve this issue.

(2)  http://git.io/-Wp3kg

This addresses an issue for in place upgrades from Lion to Mountain
Lion.  Apple deletes our users (at least in the 250-300 range) when
updating, and this results in fink-bld being deleted.  (I haven't
verified whether or not Apple deletes users in the 600+ range).

When folks try to perform build operations, fink reports that won't
reinstall fink-bld at UID 266 (our default for a long time) because the
test for an occupied ID checks _both_ the UID and GID.  Th commit
modifies the test function so that we can check _just_ the UID.

It worked for me on the following test case:

A) remove the fink-bld user (but not group) using

	sudo dscl . -delete /Users/fink-bld

.
B) Reboot as this appears to be required required to clear the account
information out fully.
C) Do any operation where a build _could_ take place, e.g. "fink
selfupdate", and fink-bld should be restored to the value stored in
fink.conf.

-- 
Alexander Hansen, Ph.D.
Fink User Liaison
My package updates: http://finkakh.wordpress.com/

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