Fix a microbenchmark crash on mingw32; seemingly %lld is not universally

supported on Windows, and %I64d is recommended instead.

R=csilvers
DELTA=6  (5 added, 0 deleted, 1 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=1034


git-svn-id: https://snappy.googlecode.com/svn/trunk@18 03e5f5b5-db94-4691-08a0-1a8bf15f6143

snappy-test.cc

@@ -159,7 +159,12 @@ void Benchmark::Run() {
           "%.1fGB/s", bytes_per_second / (1024.0f * 1024.0f * 1024.0f));
     }
 
-    fprintf(stderr, "%-18s %10lld %10lld %10d %s  %s\n",
+    fprintf(stderr,
+#ifdef WIN32
+            "%-18s %10I64d %10I64d %10d %s  %s\n",
+#else
+            "%-18s %10lld %10lld %10d %s  %s\n",
+#endif
             heading.c_str(),
             static_cast<long long>(real_time_us * 1000 / num_iterations),
             static_cast<long long>(cpu_time_us * 1000 / num_iterations),