Rename SourceLocation::getFileLocWithOffset -> getLocWithOffset.

It already works (and is useful with) macro locs as well.

llvm-svn: 140057
diff --git a/clang/lib/Rewrite/HTMLRewrite.cpp b/clang/lib/Rewrite/HTMLRewrite.cpp
index ad2491c..3b78158 100644
--- a/clang/lib/Rewrite/HTMLRewrite.cpp
+++ b/clang/lib/Rewrite/HTMLRewrite.cpp
@@ -277,7 +277,7 @@
   const char* FileEnd = Buf->getBufferEnd();
 
   SourceLocation StartLoc = R.getSourceMgr().getLocForStartOfFile(FID);
-  SourceLocation EndLoc = StartLoc.getFileLocWithOffset(FileEnd-FileStart);
+  SourceLocation EndLoc = StartLoc.getLocWithOffset(FileEnd-FileStart);
 
   std::string s;
   llvm::raw_string_ostream os(s);