# patch -p0 < patch-Makefile.in
Hmm... Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- src/distrib/i386/common/Makefile.inc.orig Thu Mar 3 09:16:02 2005
|+++ src/distrib/i386/common/Makefile.inc Thu Mar 3 09:16:32 2005
--------------------------
Patching file src/distrib/i386/common/Makefile.inc using Plan A...
Hunk #1 failed at 33.
Hunk #2 failed at 53.
2 out of 2 hunks failed--saving rejects to src/distrib/i386/common/Makefile.inc
rej
done