patch 8.1.2179: pressing "q" at the more prompt doesn't stop Python output

Problem:    Pressing "q" at the more prompt doesn't stop Python output. (Daniel
            Hahler)
Solution:   Check for got_int in writer(). (closes #5053)
            Also do this for Lua.

src/if_lua.c

@@ -1612,7 +1612,8 @@ luaV_print(lua_State *L)
 	lua_pop(L, 1);
     }
     luaL_pushresult(&b);
-    luaV_msg(L);
+    if (!got_int)
+	luaV_msg(L);
     return 0;
 }