Fix return type of isBitfield in the binding definition

Patch by Loïc Jaquemet.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179984 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/bindings/python/clang/cindex.py b/bindings/python/clang/cindex.py
index 36761bd..880a150 100644
--- a/bindings/python/clang/cindex.py
+++ b/bindings/python/clang/cindex.py
@@ -3075,7 +3075,7 @@
 
   ("clang_Cursor_isBitField",
    [Cursor],
-   c_long),
+   bool),
 
   ("clang_Type_getAlignOf",
    [Type],