My clang now doesn't complain about !"foo".

BUG=
R=robertphillips@google.com

Review URL: https://codereview.chromium.org/22875037

git-svn-id: http://skia.googlecode.com/svn/trunk@10874 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLProgram.cpp b/src/gpu/gl/GrGLProgram.cpp
index f1bb1f3..83ab232 100644
--- a/src/gpu/gl/GrGLProgram.cpp
+++ b/src/gpu/gl/GrGLProgram.cpp
@@ -364,7 +364,7 @@
             print_shader(stringCnt, strings, stringLengths);
             GrPrintf("\n%s", log.get());
         }
-        SkASSERT(!"Shader compilation failed!");
+        SkDEBUGFAIL("Shader compilation failed!");
         GR_GL_CALL(gli, DeleteShader(shader));
         return 0;
     }
@@ -742,7 +742,7 @@
                                       (char*)log.get()));
             GrPrintf((char*)log.get());
         }
-        SkASSERT(!"Error linking program");
+        SkDEBUGFAIL("Error linking program");
         GL_CALL(DeleteProgram(fProgramID));
         fProgramID = 0;
         return false;