Fix "control may reach end of non-void function" warning.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146448 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 46ec09c..50b9b41 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -990,8 +990,7 @@
         assert(0 && "Unknown -m argument.");
     }
   }
-  else
-    return "hexagonv2";
+  return "hexagonv2";
 }
 
 void Clang::AddHexagonTargetArgs(const ArgList &Args,