Ensure mInfoLog is nulled out after it is deleted.
Issue=27
Original-Author: Vladimir Vukicevic
Signed-off-by: Daniel Koch

git-svn-id: https://angleproject.googlecode.com/svn/trunk@407 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Program.cpp b/src/libGLESv2/Program.cpp
index a32bc9f..4479396 100644
--- a/src/libGLESv2/Program.cpp
+++ b/src/libGLESv2/Program.cpp
@@ -2371,6 +2371,7 @@
     if (mInfoLog)
     {
         delete [] mInfoLog;
+        mInfoLog = NULL;
     }
 }