libclang: introduce cxstring::createNull()
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174173 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CXString.h b/tools/libclang/CXString.h
index 3753ed4..5078a42 100644
--- a/tools/libclang/CXString.h
+++ b/tools/libclang/CXString.h
@@ -25,6 +25,9 @@
struct CXStringBuf;
+/// \brief Create a CXString object for an NULL string.
+CXString createNull();
+
/// \brief Create a CXString object from a C string.
CXString createCXString(const char *String, bool DupString = false);