Add string to try and fix build from r167629.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167631 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/SourceLocation.h b/include/clang/Basic/SourceLocation.h
index 0bd0c92b005561a0321254c2573e7595e3fc9749..cfcf468772ef0f4a6b68befbd09e4db2faf49872 100644 (file)
--- a/include/clang/Basic/SourceLocation.h
+++ b/include/clang/Basic/SourceLocation.h
@@ -21,6 +21,7 @@
 #include <utility>
 #include <functional>
 #include <cassert>
+#include <string>
 
 namespace llvm {
   class MemoryBuffer;