Fix multi-line macro by adding line continuation.



git-svn-id: http://skia.googlecode.com/svn/trunk@2195 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu/include/GrGLConfig.h b/gpu/include/GrGLConfig.h
index 2f60a65..ae65634 100644
--- a/gpu/include/GrGLConfig.h
+++ b/gpu/include/GrGLConfig.h
@@ -168,7 +168,7 @@
 
 #if GR_GL_LOG_CALLS
     extern bool gLogCallsGL;
-    #define GR_GL_LOG_CALLS_IMPL(X)
+    #define GR_GL_LOG_CALLS_IMPL(X)                             \
         if (gLogCallsGL)                                        \
             GrPrintf(GR_FILE_AND_LINE_STR "GL: " #X "\n")
 #else