[gthumb] fixed autogen.sh generation

[Paolo Bacchilega <paobac src gnome org>]

commit fd668519790ff8d05b5efabf8c45b617277633c4
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Jan 18 21:14:55 2010 +0100

    fixed autogen.sh generation

 extensions/example/init.sh |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/extensions/example/init.sh b/extensions/example/init.sh
index 446984d..05a13de 100644
--- a/extensions/example/init.sh
+++ b/extensions/example/init.sh
@@ -20,7 +20,9 @@ extension_name=`echo $extensionname | tr '-' '_'`
 
 orig_dir=`pwd`
 
-sed -e "s|$originalname|$extensionname|" < autogen.sh > autogen.sh
+sed -e "s|$originalname|$extensionname|" < autogen.sh > autogen.sh.tmp
+mv autogen.sh.tmp autogen.sh
+chmod a+x autogen.sh
 
 if [ -e configure.ac.example ]; then
   mv configure.ac.example configure.ac