[telepathy-salut/master] re-generate config.py when Makefile is changed

[Guillaume Desmottes]

so PACKAGE_STRING is properly updated
---
 tests/twisted/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tests/twisted/Makefile.am b/tests/twisted/Makefile.am
index 071f6c7..041c8a1 100644
--- a/tests/twisted/Makefile.am
+++ b/tests/twisted/Makefile.am
@@ -78,7 +78,7 @@ check-twisted:
 		exit 1;\
 	fi
 
-config.py:
+config.py: Makefile
 	echo "PACKAGE_STRING = \"$(PACKAGE_STRING)\"" > config.py
 
 BUILT_SOURCES = config.py
-- 
1.5.6.5