[PATCH] Config file support for clang-format, part 2.

[Jordan Rose]

================
Comment at: tools/clang-format/ClangFormat.cpp:77-78
@@ +76,4 @@
+  while (!Directory.empty()) {
+    std::string ConfigFile = Directory.str();
+    ConfigFile += "/.clang-format";
+    bool IsFile;
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Not really following this, but (a) why not SmallString, and (b) why not llvm::sys::path::append?


http://llvm-reviews.chandlerc.com/D758