-fixed warnings

src/p_saveg.cpp

@@ -453,7 +453,7 @@ void P_SerializeWorld (FArchive &arc)
 
 void P_SerializeWorldActors(FArchive &arc)
 {
-	int i, j;
+	int i;
 	sector_t *sec;
 
 	for (i = 0, sec = sectors; i < numsectors; i++, sec++)

src/p_spec.cpp

@@ -893,7 +893,7 @@ void P_SetupPortals()
 			{
 				if (ss.mType == PORTS_STACKEDSECTORTHING && ss.mSkybox == s.mSkybox->target)
 				{
-					s.mPartner = (&ss) - &sectorPortals[0];
+					s.mPartner = unsigned((&ss) - &sectorPortals[0]);
 				}
 			}
 		}