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/Texture.cpp b/src/libGLESv2/Texture.cpp
index 720136e..17bbba3 100644
--- a/src/libGLESv2/Texture.cpp
+++ b/src/libGLESv2/Texture.cpp
@@ -442,7 +442,7 @@
     mImageArray[0].redefine(internalformat, surface->getWidth(), surface->getHeight(), true);
 
     delete mTexStorage;
-    renderer::SwapChain *swapchain = surface->getSwapChain();  // D3D9_REPLACE
+    rx::SwapChain *swapchain = surface->getSwapChain();  // D3D9_REPLACE
     mTexStorage = new TextureStorage2D(swapchain);
 
     mDirtyImages = true;