iavf: Fix static code analysis warning

Change min() to min_t() to fix static code analysis warning of possible
overflow.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Karen Sornek <karen.sornek@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/iavf/iavf_txrx.c

@@ -1766,7 +1766,7 @@ int iavf_napi_poll(struct napi_struct *napi, int budget)
 	if (likely(napi_complete_done(napi, work_done)))
 		iavf_update_enable_itr(vsi, q_vector);
 
-	return min(work_done, budget - 1);
+	return min_t(int, work_done, budget - 1);
 }
 
 /**