Code cleanup, fix MicroTime.

Change-Id: I1bd265a85bf036dde9393c7e6a7fe2dbc67dd509
diff --git a/src/utils.cc b/src/utils.cc
index e80de5b..70d15bf 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -114,7 +114,7 @@
 #else
   struct timeval now;
   gettimeofday(&now, NULL);
-  return static_cast<uint64_t>(now.tv_sec) * 1000000LL + now.tv_usec * 1000LL;
+  return static_cast<uint64_t>(now.tv_sec) * 1000000LL + now.tv_usec;
 #endif
 }