Rename renderer namespace to rx

Trac #21999
Author: Shannon Woods
Signed-off-by: Daniel Koch

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1379 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/Renderer9.cpp b/src/libGLESv2/renderer/Renderer9.cpp
index cda0256..c34befb 100644
--- a/src/libGLESv2/renderer/Renderer9.cpp
+++ b/src/libGLESv2/renderer/Renderer9.cpp
@@ -27,7 +27,7 @@
 #define ANGLE_ENABLE_D3D9EX 1
 #endif // !defined(ANGLE_ENABLE_D3D9EX)
 
-namespace renderer
+namespace rx
 {
 const D3DFORMAT Renderer9::mRenderTargetFormats[] =
     {