fix compile



git-svn-id: http://skia.googlecode.com/svn/trunk@1222 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 266264e..bd87d83 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -1338,7 +1338,9 @@
 }
 
 #define TEST_GPIPEx
-#include "SkGPipe.h"
+#ifdef TEST_GPIPE
+    #include "SkGPipe.h"
+#endif
 
 void SampleView::onDraw(SkCanvas* canvas) {
     this->onDrawBackground(canvas);