[empathy] Fix make distcheck

[Emilio Pozuelo Monfort <epm src gnome org>]

commit 5527cc3dc589a986c7aaeafc54b50101059e506a
Author: Emilio Pozuelo Monfort <emilio pozuelo collabora co uk>
Date:   Mon Feb 21 15:59:52 2011 +0000

    Fix make distcheck

 src/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 380a1c4..5dfa838 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -229,7 +229,7 @@ dist_man_MANS =			\
 src-marshal.list: $(empathy_SOURCES) Makefile.am
 	$(AM_V_GEN)( cd $(srcdir) && \
 	sed -n -e 's/.*src_marshal_\([[:upper:][:digit:]]*__[[:upper:][:digit:]_]*\).*/\1/p' \
-	$(wildcard *.c) ) \
+	$(empathy_SOURCES) $(empathy_av_SOURCES) ) \
 	| sed -e 's/__/:/' -e 'y/_/,/' | sort -u > $  tmp
 	@if cmp -s $  tmp $@; then \
 		rm $  tmp; \