Add string to try and fix build from r167629.

llvm-svn: 167631

diff --git a/clang/include/clang/Basic/SourceLocation.h b/clang/include/clang/Basic/SourceLocation.h
index 0bd0c92..cfcf468 100644 (file)
--- a/clang/include/clang/Basic/SourceLocation.h
+++ b/clang/include/clang/Basic/SourceLocation.h
@@ -21,6 +21,7 @@
 #include <utility>
 #include <functional>
 #include <cassert>
+#include <string>
 
 namespace llvm {
   class MemoryBuffer;