Simplify code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4547 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Timer.cpp b/lib/Support/Timer.cpp
index 4de5baa..30fa9be 100644
--- a/lib/Support/Timer.cpp
+++ b/lib/Support/Timer.cpp
@@ -75,9 +75,7 @@
   Result.Elapsed    =           T.tv_sec +           T.tv_usec/1000000.0;
   Result.UserTime   = RU.ru_utime.tv_sec + RU.ru_utime.tv_usec/1000000.0;
   Result.SystemTime = RU.ru_stime.tv_sec + RU.ru_stime.tv_usec/1000000.0;
-
-  struct mallinfo MI = mallinfo();
-  Result.MemUsed     = MI.uordblks;
+  Result.MemUsed    = mallinfo().uordblks;
   return Result;
 }