Have Clang builders build in C++11 mode.

bench/MemoryBench.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Benchmark.h"
 #include "SkCanvas.h"
 #include "SkChunkAlloc.h"
@@ skipping 69 matching lines @@
         , fWrite(write)
         , fUseCalloc(useCalloc) {
         fName.printf("memory_%s", useCalloc ? "calloc" : "malloc_bzero");
         if (read && write) {
             fName.appendf("_rw");
         } else if (read) {
             fName.appendf("_r");
         } else if (write) {
             fName.appendf("_w");
         }
-        fName.appendf("_"SK_SIZE_T_SPECIFIER, num);
+        fName.appendf("_" SK_SIZE_T_SPECIFIER, num);
     }
 
     virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
         return backend == kNonRendering_Backend;
     }
 
 protected:
     virtual const char* onGetName() SK_OVERRIDE {
         return fName.c_str();
     }
@@ skipping 55 matching lines @@
 DEF_BENCH(return new ZerosBench(300, 1, 1, 1))
 
 DEF_BENCH(return new ZerosBench(4, 0, 0, 0))
 DEF_BENCH(return new ZerosBench(4, 0, 0, 1))
 DEF_BENCH(return new ZerosBench(4, 0, 1, 0))
 DEF_BENCH(return new ZerosBench(4, 0, 1, 1))
 DEF_BENCH(return new ZerosBench(4, 1, 0, 0))
 DEF_BENCH(return new ZerosBench(4, 1, 0, 1))
 DEF_BENCH(return new ZerosBench(4, 1, 1, 0))
 DEF_BENCH(return new ZerosBench(4, 1, 1, 1))