Port getLocStart -> getBeginLoc

Reviewers: teemperor!

Subscribers: jholewinski, whisperity, jfb, cfe-commits

Differential Revision: https://reviews.llvm.org/D50350

llvm-svn: 339385
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index bb6868b..ea3a75d 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -5255,7 +5255,7 @@
         }
         Record.push_back(RD->getTagKind());
         Record.AddSourceLocation(RD->getLocation());
-        Record.AddSourceLocation(RD->getLocStart());
+        Record.AddSourceLocation(RD->getBeginLoc());
         Record.AddSourceRange(RD->getBraceRange());
 
         // Instantiation may change attributes; write them all out afresh.