[pitivi] Fix a typo that prevented the env script from working on 32-bit

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit 98516a963a65ebb691115e279fd7f242ed9fba83
Author: Jean-FranÃois Fortin Tam <nekohayo gmail com>
Date:   Wed Sep 5 22:19:44 2012 -0400

    Fix a typo that prevented the env script from working on 32-bit

 bin/pitivi-git |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/bin/pitivi-git b/bin/pitivi-git
index 125a2a8..e8af784 100755
--- a/bin/pitivi-git
+++ b/bin/pitivi-git
@@ -147,7 +147,7 @@ export LD_LIBRARY_PATH=$PITIVI/gst-editing-services/ges/.libs:$LD_LIBRARY_PATH
 export DYLD_LIBRARY_PATH=$PITIVI/gst-editing-services/ges/.libs:$DYLD_LIBRARY_PATH
 export PATH=$PITIVI/gst-editing-services/tools:$PATH
 GI_TYPELIB_PATH=$PITIVI/gst-editing-services/ges:$GI_TYPELIB_PATH
-GI_TYPELIB_PATH=$PITIVI_PREFIX/share/gir-1.0${GI_TYPELIB_PATH:+:$GI_TYPELIB_PATH}/usr/lib64/girepository-1.0
+GI_TYPELIB_PATH=$PITIVI_PREFIX/share/gir-1.0${GI_TYPELIB_PATH:+:$GI_TYPELIB_PATH}:/usr/lib64/girepository-1.0
 
 # And GNonLin
 export GST_PLUGIN_PATH=$GST_PLUGIN_PATH:$PITIVI/gnonlin/gnl/.libs