[pygobject] Fix build when builddir is not the same as srcdir

[Paul Pogonyshev <paulp src gnome org>]

commit a8b36c343c6850af929c1d5a930f923831b4e637
Author: Theppitak Karoonboonyanan <thep linux thai net>
Date:   Mon Jun 15 23:25:01 2009 +0300

    Fix build when builddir is not the same as srcdir
    
    Bug #585817.

 girepository/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/girepository/Makefile.am b/girepository/Makefile.am
index 3c99943..c414652 100644
--- a/girepository/Makefile.am
+++ b/girepository/Makefile.am
@@ -22,7 +22,7 @@ pygirepository_PYTHON = \
 	btypes.py
 
 pygioverridesdir = $(pkgpyexecdir)/overrides
-pygioverrides_PYTHON = overrides/*.py
+pygioverrides_PYTHON = $(srcdir)/overrides/*.py
 
 # linker flags
 common_ldflags = -module -avoid-version