PR6055: fix FreeBSD c++ include path. patch by Roman Divacky

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 6fceb98..fe46f4e 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -556,7 +556,7 @@
         "i686-pc-linux-gnu", "", "", triple);
     break;
   case llvm::Triple::FreeBSD:
-    AddPath("/usr/include/c++/4.2", System, true, false, false);
+    AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple);
     break;
   case llvm::Triple::Solaris:
     // Solaris - Fall though..