fix warning from "normalized" cast

TRAC #11556

* Restore warning C4800.
* Compare GLboolean normalized against GL_TRUE per the spec.

Signed-off-by: Daniel Koch
Author:    Andrew Lewycky

git-svn-id: https://angleproject.googlecode.com/svn/trunk@73 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/libGLESv2.cpp b/src/libGLESv2/libGLESv2.cpp
index efbfb04..6757249 100644
--- a/src/libGLESv2/libGLESv2.cpp
+++ b/src/libGLESv2/libGLESv2.cpp
@@ -4001,7 +4001,7 @@
             context->vertexAttribute[index].mBoundBuffer = context->arrayBuffer;
             context->vertexAttribute[index].mSize = size;
             context->vertexAttribute[index].mType = type;
-            context->vertexAttribute[index].mNormalized = normalized;
+            context->vertexAttribute[index].mNormalized = (normalized == GL_TRUE);
             context->vertexAttribute[index].mStride = stride;
             context->vertexAttribute[index].mPointer = ptr;
         }