Add a script to enable finding source files without support-levels defined.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@369002 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/build_tools/find_missing_support_level b/build_tools/find_missing_support_level
new file mode 100755 (executable)
index 0000000..dacc3d6
--- /dev/null
+++ b/build_tools/find_missing_support_level
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+grep -r -L -e "support_level" * | grep -e "\.c$" -e "\.cxx$" | sort