procmail-3.22 compiling error

Hi,

I've just downloaded procmail-3.22, but it failed to be compiled on
CentOS 6.2. Please see following error. The GCC version is 4.4.6. Please=20
verify if I missed something or not.

[procmail-3.22]$ make

......

cc -c -O   formail.c
In file included from formail.c:25:
formisc.h:20: error: conflicting types for =E2=80=98getline=E2=80=99
/usr/include/stdio.h:673: note: previous declaration of =E2=80=98getline=E2=
=80=99 was
here
make[1]: *** [formail.o] Error 1
make[1]: Leaving directory
`/home/project/procmail-3.22/src'

Thank you.