fix unused variable warning

git-svn-id: http://skia.googlecode.com/svn/trunk@7546 2bbb7eff-a529-9590-31e7-b0007b416f81

diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 52e200309ce893c69d60678da849e6d769d6dec6..9d8c5e6a589588ad32d40b50f3c3f97272b59b30 100644 (file)
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -1422,7 +1422,7 @@ bool GrContext::readRenderTargetPixels(GrRenderTarget* target,
         SkCanvas::Config8888 srcC8888 = SkCanvas::kNative_Premul_Config8888;
         SkCanvas::Config8888 dstC8888 = SkCanvas::kNative_Premul_Config8888;
 
-        bool c8888IsValid = grconfig_to_config8888(config, false, &srcC8888);
+        SkDEBUGCODE(bool c8888IsValid =) grconfig_to_config8888(config, false, &srcC8888);
         grconfig_to_config8888(config, unpremul, &dstC8888);
 
         if (swapRAndB) {