Add a couple more GCC versions to C++ search paths for MinGW.  Patch by Ruben Van Boxem.

(We should probably start doing some sort of autodetection like we do on Linux at some point.)

llvm-svn: 145326
diff --git a/clang/lib/Frontend/InitHeaderSearch.cpp b/clang/lib/Frontend/InitHeaderSearch.cpp
index 051d563..ef9129f 100644
--- a/clang/lib/Frontend/InitHeaderSearch.cpp
+++ b/clang/lib/Frontend/InitHeaderSearch.cpp
@@ -395,9 +395,11 @@
     AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.1");
     AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.2");
     AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.3");
+    AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.4");
     AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.0");
     AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.1");
     AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.2");
+    AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.3");
     AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.0");
     // mingw.org C++ include paths
     AddMinGWCPlusPlusIncludePaths("/mingw/lib/gcc", "mingw32", "4.5.2"); //MSYS