Clang format a few prior patches (NFC)

I had clang formatted my earlier patches using the wrong style.
Reformatted with the LLVM style.

llvm-svn: 251813
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index e72e4bd..34dfa4f 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1672,7 +1672,8 @@
   if (!CPU.empty())
     CmdArgs.push_back(Args.MakeArgString(Twine("-plugin-opt=mcpu=") + CPU));
 
-  if (IsThinLTO) CmdArgs.push_back("-plugin-opt=thinlto");
+  if (IsThinLTO)
+    CmdArgs.push_back("-plugin-opt=thinlto");
 }
 
 /// This is a helper function for validating the optional refinement step