Fixes a compilation error when ANGLE_DEFAULT_D3D11 is defined.

Change-Id: I09853b4565d5458ce4c318611a6495ec265fa8de
Reviewed-on: https://chromium-review.googlesource.com/213899
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Shannon Woods <shannonwoods@chromium.org>
diff --git a/src/libGLESv2/renderer/Renderer.cpp b/src/libGLESv2/renderer/Renderer.cpp
index 590004a..0cab199 100644
--- a/src/libGLESv2/renderer/Renderer.cpp
+++ b/src/libGLESv2/renderer/Renderer.cpp
@@ -117,7 +117,7 @@
     {
         // The default display is requested, try the D3D9 and D3D11 renderers, order them using
         // the definition of ANGLE_DEFAULT_D3D11
-#       if ANGLE_DEFAULT_D3D11
+#       if defined(ANGLE_DEFAULT_D3D11)
 #           if defined(ANGLE_ENABLE_D3D11)
                 rendererCreationFunctions.push_back(rx::CreateRenderer<rx::Renderer11>);
 #           endif