Correct check against GR_USE_PLATFORM_CREATE_SAMPLE_COUNT

Review URL: http://codereview.appspot.com/4830053/


git-svn-id: http://skia.googlecode.com/svn/trunk@2028 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/src/GrContext.cpp b/gpu/src/GrContext.cpp
index 4ebe00c..10ff206 100644
--- a/gpu/src/GrContext.cpp
+++ b/gpu/src/GrContext.cpp
@@ -465,7 +465,7 @@
         0 != desc.fRenderTargetFlags) {
             return NULL;
     }
-#if GR_USE_PLATFORM_CREATE_SAMPLE_COUNT
+#if !GR_USE_PLATFORM_CREATE_SAMPLE_COUNT
     if (!(kIsMultisampled_GrPlatformRenderTargetFlagBit & desc.fRenderTargetFlags) &&
         (kGrCanResolve_GrPlatformRenderTargetFlagBit & desc.fRenderTargetFlags)) {
             return NULL;