Initialize renderbuffer variables. Make serials constant. Removed X1R5G5B5 support.
TRAC #13792
Signed-off-by: Daniel Koch

Author:    Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@460 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Program.h b/src/libGLESv2/Program.h
index 3021b7a..a6d8ed5 100644
--- a/src/libGLESv2/Program.h
+++ b/src/libGLESv2/Program.h
@@ -220,7 +220,7 @@
 
     unsigned int mRefCount;
 
-    unsigned int mSerial;
+    const unsigned int mSerial;
 
     static unsigned int mCurrentSerial;