Simplify code with the in place path::native. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190515 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/ModuleMap.cpp b/lib/Lex/ModuleMap.cpp
index b2698b1..df80a93 100644
--- a/lib/Lex/ModuleMap.cpp
+++ b/lib/Lex/ModuleMap.cpp
@@ -541,11 +541,9 @@
   SmallString<128> SubframeworksDirName
     = StringRef(FrameworkDir->getName());
   llvm::sys::path::append(SubframeworksDirName, "Frameworks");
-  SmallString<128> SubframeworksDirNameNative;
-  llvm::sys::path::native(SubframeworksDirName.str(),
-                          SubframeworksDirNameNative);
+  llvm::sys::path::native(SubframeworksDirName);
   for (llvm::sys::fs::directory_iterator 
-         Dir(SubframeworksDirNameNative.str(), EC), DirEnd;
+         Dir(SubframeworksDirName.str(), EC), DirEnd;
        Dir != DirEnd && !EC; Dir.increment(EC)) {
     if (!StringRef(Dir->path()).endswith(".framework"))
       continue;
diff --git a/lib/Tooling/Tooling.cpp b/lib/Tooling/Tooling.cpp
index 6f7e7b6..b420ba9 100644
--- a/lib/Tooling/Tooling.cpp
+++ b/lib/Tooling/Tooling.cpp
@@ -134,9 +134,8 @@
   llvm::error_code EC = llvm::sys::fs::make_absolute(AbsolutePath);
   assert(!EC);
   (void)EC;
-  SmallString<1024> PathStorage;
-  llvm::sys::path::native(Twine(AbsolutePath), PathStorage);
-  return PathStorage.str();
+  llvm::sys::path::native(AbsolutePath);
+  return AbsolutePath.str();
 }
 
 ToolInvocation::ToolInvocation(