Fix spelling.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122339 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 5bae3ea..4d9bcca 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -65,7 +65,7 @@
                                    llvm::StringRef Dir64,
                                    const llvm::Triple &triple);
 
-  /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to suport a MinGW
+  /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to support a MinGW
   ///  libstdc++.
   void AddMinGWCPlusPlusIncludePaths(llvm::StringRef Base,
                                      llvm::StringRef Arch,