Passing const Triple& is sufficient for AddDefaultSystemIncludePaths()

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83663 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/InitHeaderSearch.h b/include/clang/Frontend/InitHeaderSearch.h
index d80221a..efdc3a1 100644
--- a/include/clang/Frontend/InitHeaderSearch.h
+++ b/include/clang/Frontend/InitHeaderSearch.h
@@ -67,7 +67,8 @@
 
   /// AddDefaultSystemIncludePaths - Adds the default system include paths so
   ///  that e.g. stdio.h is found.
-  void AddDefaultSystemIncludePaths(const LangOptions &Lang, llvm::Triple &triple);
+  void AddDefaultSystemIncludePaths(const LangOptions &Lang,
+                                    const llvm::Triple &triple);
 
   /// Realize - Merges all search path lists into one list and send it to
   /// HeaderSearch.
diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index fff3834..4f1cb27 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -222,7 +222,7 @@
 #endif // LLVM_ON_WIN32
 
 void InitHeaderSearch::AddDefaultSystemIncludePaths(const LangOptions &Lang,
-                                                    llvm::Triple &triple) {
+                                               const llvm::Triple &triple) {
   // FIXME: temporary hack: hard-coded paths.
   llvm::Triple::OSType os = triple.getOS();