escape some quotes

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@43205 65c4cc65-6c06-0410-ace0-fbb531ad65f3

build_tools/prep_moduledeps

@@ -28,7 +28,7 @@ process_dir() {
 	echo -e "\t</category>"
 }
 
-echo "<?xml version="1.0"?>"
+echo "<?xml version=\"1.0\"?>"
 echo
 echo "<menu name=\"Asterisk Module Selection\">"
 rm -f .makeoptstmp