glslang tests: Add Success/Failed message to summarize results.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31214 e7fa87d3-cd2b-0410-9028-fcbf551c1848
diff --git a/Test/runtests b/Test/runtests
index 9c9dae7..94b805b 100755
--- a/Test/runtests
+++ b/Test/runtests
@@ -81,4 +81,11 @@
 $EXE -i *.vert *.geom *.frag *.tes* *.comp -t > multiThread.out
 diff singleThread.out multiThread.out || HASERROR=1
 
+if [ $HASERROR -eq 0 ]
+then
+    echo Tests Succeeded.
+else
+    echo Tests Failed.
+fi
+
 exit $HASERROR