Remove tabs.

llvm-svn: 160476
diff --git a/llvm/lib/Support/Windows/RWMutex.inc b/llvm/lib/Support/Windows/RWMutex.inc
index 26b9bba..9593923 100644
--- a/llvm/lib/Support/Windows/RWMutex.inc
+++ b/llvm/lib/Support/Windows/RWMutex.inc
@@ -67,9 +67,9 @@
                                                "ReleaseSRWLockShared");
       ::FreeLibrary(hLib);
 
-	  if (fpInitializeSRWLock != NULL) {
-	    sHasSRW = true;
-	  }
+      if (fpInitializeSRWLock != NULL) {
+        sHasSRW = true;
+      }
     }
   }
   return sHasSRW;