Fix OSS build, no fmt support for _PyJIT_Result

Summary: Needs an integer cast to make fmt happy.

Reviewed By: brittanyrey

Differential Revision: D83490629

fbshipit-source-id: a961d346ff1395130b0717c40b2981a90d1bcd94

Author: alexmalyshev

cinderx/Jit/pyjit.cpp

@@ -247,7 +247,7 @@ PyObject* forcedJitVectorcall(
 
   JIT_ABORT(
       "Unrecognized JIT result code {} for function {}",
-      result,
+      static_cast<int>(result),
       funcFullname(func));
 }