Linux warning fixes

Review URL: https://codereview.appspot.com/6500045/



git-svn-id: http://skia.googlecode.com/svn/trunk@5337 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/GrGLSL.cpp b/src/gpu/gl/GrGLSL.cpp
index 21e9183..c995a34 100644
--- a/src/gpu/gl/GrGLSL.cpp
+++ b/src/gpu/gl/GrGLSL.cpp
@@ -115,7 +115,7 @@
             outAppend->append(GrGLSLZerosVecf(4));
             return kZeros_GrSLConstantVec;
         } else {
-            outAppend->appendf(GrGLSLOnesVecf(4));
+            outAppend->append(GrGLSLOnesVecf(4));
             return kOnes_GrSLConstantVec;
         }
     } else if (!has0) {