Port getLocStart -> getBeginLoc

Reviewers: javed.absar

Subscribers: nemanjai, kbarton, ilya-biryukov, ioeric, jkorous, arphaman, jfb, cfe-commits

Differential Revision: https://reviews.llvm.org/D50354

llvm-svn: 339400
diff --git a/clang-tools-extra/clang-tidy/objc/AvoidNSErrorInitCheck.cpp b/clang-tools-extra/clang-tidy/objc/AvoidNSErrorInitCheck.cpp
index 86c4656..a4dc48e 100644
--- a/clang-tools-extra/clang-tidy/objc/AvoidNSErrorInitCheck.cpp
+++ b/clang-tools-extra/clang-tidy/objc/AvoidNSErrorInitCheck.cpp
@@ -31,7 +31,7 @@
 void AvoidNSErrorInitCheck::check(const MatchFinder::MatchResult &Result) {
   const auto *MatchedExpr =
       Result.Nodes.getNodeAs<ObjCMessageExpr>("nserrorInit");
-  diag(MatchedExpr->getLocStart(),
+  diag(MatchedExpr->getBeginLoc(),
        "use errorWithDomain:code:userInfo: or initWithDomain:code:userInfo: to "
        "create a new NSError");
 }