gentoo qa: type conversion on return triggered by gcc warnings
bicatali - feb 2014
--- llvmpy/include/llvm_binding/conversion.h.orig	2014-02-10 08:45:29.516304878 -0800
+++ llvmpy/include/llvm_binding/conversion.h	2014-02-10 08:45:58.190474249 -0800
@@ -101,7 +101,7 @@
         val = PyInt_AsLong(intobj);
     }
     if (PyErr_Occurred()){
-        return NULL;
+        return 1;
     }
     // success
     return 1;