Add a newline to SourceLocation dump output

Summary:
Migrate callers to print().

dump() should be useful to downstreams and third parties as a debugging
aid.  Everyone trips up on this and creates confusing output.

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D50661

llvm-svn: 339810
diff --git a/clang/lib/Basic/SourceLocation.cpp b/clang/lib/Basic/SourceLocation.cpp
index eb916ec..27eb119 100644
--- a/clang/lib/Basic/SourceLocation.cpp
+++ b/clang/lib/Basic/SourceLocation.cpp
@@ -77,6 +77,7 @@
 
 LLVM_DUMP_METHOD void SourceLocation::dump(const SourceManager &SM) const {
   print(llvm::errs(), SM);
+  llvm::errs() << '\n';
 }
 
 //===----------------------------------------------------------------------===//