Move clang_Cursor_getBriefCommentText implementation under `extern "C"'.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160331 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index de56b19..3b3b697 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -5710,8 +5710,6 @@
   return createCXString(RawText, false);
 }
 
-} // end: extern "C"
-
 CXString clang_Cursor_getBriefCommentText(CXCursor C) {
   if (!clang_isDeclaration(C.kind))
     return createCXString((const char *) NULL);
@@ -5731,6 +5729,8 @@
   return createCXString((const char *) NULL);
 }
 
+} // end: extern "C"
+
 //===----------------------------------------------------------------------===//
 // C++ AST instrospection.
 //===----------------------------------------------------------------------===//