libclang: remove 'using namespace cxstring'


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174285 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndexUSRs.cpp b/tools/libclang/CIndexUSRs.cpp
index 01b0053..c6f4d7c 100644
--- a/tools/libclang/CIndexUSRs.cpp
+++ b/tools/libclang/CIndexUSRs.cpp
@@ -22,7 +22,6 @@
 #include "llvm/Support/raw_ostream.h"
 
 using namespace clang;
-using namespace clang::cxstring;
 
 //===----------------------------------------------------------------------===//
 // USR generation.
@@ -832,7 +831,7 @@
     if (!TU)
       return cxstring::createEmpty();
 
-    CXStringBuf *buf = cxstring::getCXStringBuf(TU);
+    cxstring::CXStringBuf *buf = cxstring::getCXStringBuf(TU);
     if (!buf)
       return cxstring::createEmpty();
 
@@ -853,7 +852,7 @@
     if (!TU)
       return cxstring::createEmpty();
 
-    CXStringBuf *buf = cxstring::getCXStringBuf(TU);
+    cxstring::CXStringBuf *buf = cxstring::getCXStringBuf(TU);
     if (!buf)
       return cxstring::createEmpty();