Debug output return values in hex, to match pkcs11.h.

gck-rpc-dispatch.c

@@ -730,7 +730,7 @@ static CK_RV proto_write_session_info(CallState * cs, CK_SESSION_INFO_PTR info)
 
 #define END_CALL \
 	_cleanup: \
-		debug (("ret: %d", _ret)); \
+		debug (("ret: 0x%x", _ret)); \
 		return _ret; \
 	}
 

gck-rpc-module.c

@@ -1054,7 +1054,7 @@ proto_read_sesssion_info(GckRpcMessage * msg, CK_SESSION_INFO_PTR info)
 #define END_CALL \
 	_cleanup: \
 		_ret = call_done (_cs, _ret); \
-		debug (("ret: %d", _ret)); \
+		debug (("ret: 0x%x", _ret)); \
 		return _ret; \
 	}