Updated a comment to hopefully silence a Lattner warning.

llvm-svn: 43562
diff --git a/clang/Basic/SourceManager.cpp b/clang/Basic/SourceManager.cpp
index 5c960a7..0482d4c 100644
--- a/clang/Basic/SourceManager.cpp
+++ b/clang/Basic/SourceManager.cpp
@@ -116,8 +116,8 @@
 }
 
 
-/// createMemBufferInfoRec - Create a new ContentCache for the specified memory
-/// buffer.  This does no caching.
+/// createMemBufferContentCache - Create a new ContentCache for the specified
+///  memory buffer.  This does no caching.
 const ContentCache*
 SourceManager::createMemBufferContentCache(const MemoryBuffer *Buffer) {
   // Add a new ContentCache to the MemBufferInfos list and return it.  We