gcc7 compile fixes (Fall through; spr2 var comparison)

src/hardware/hw_draw.c

@@ -1080,7 +1080,7 @@ void HWR_drawAMline(const fline_t *fl, INT32 color)
 // -------------------+
 // HWR_DrawConsoleFill     : draw flat coloured transparent rectangle because that's cool, and hw sucks less than sw for that.
 // -------------------+
-void HWR_DrawConsoleFill(INT32 x, INT32 y, INT32 w, INT32 h, UINT32 color, INT32 options)
+void HWR_DrawConsoleFill(INT32 x, INT32 y, INT32 w, INT32 h, UINT32 color)
 {
 	FOutVector v[4];
 	FSurfaceInfo Surf;

src/hardware/hw_main.h

@@ -50,7 +50,7 @@ void HWR_CreateStaticLightmaps(INT32 bspnum);
 void HWR_PrepLevelCache(size_t pnumtextures);
 void HWR_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color);
 void HWR_DrawFadeFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color, UINT16 actualcolor, UINT8 strength);
-void HWR_DrawConsoleFill(INT32 x, INT32 y, INT32 w, INT32 h, UINT32 color, INT32 options);	// Lat: separate flags from color since color needs to be an uint to work right.
+void HWR_DrawConsoleFill(INT32 x, INT32 y, INT32 w, INT32 h, UINT32 color);	// Lat: separate flags from color since color needs to be an uint to work right.
 void HWR_DrawPic(INT32 x,INT32 y,lumpnum_t lumpnum);
 
 UINT8 *HWR_GetScreenshot(void);

src/lua_infolib.c

@@ -207,7 +207,7 @@ static int lib_setSpr2default(lua_State *L)
 	else
 		return luaL_error(L, "spr2defaults[] invalid set");
 
-	if (j < 0 || j >= free_spr2)
+	if (j >= free_spr2)
 		return luaL_error(L, "spr2defaults[] set %d out of range (%d - %d)", j, 0, free_spr2-1);
 
 	spr2defaults[i] = j;

src/p_mobj.c

@@ -9717,6 +9717,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 		case MT_EGGROBO1:
 			mobj->movecount = P_RandomKey(13);
 			mobj->color = SKINCOLOR_RUBY + P_RandomKey(MAXSKINCOLORS - SKINCOLOR_RUBY);
+			// fall through
 		case MT_HIVEELEMENTAL:
 			mobj->extravalue1 = 5;
 			break;
@@ -11116,6 +11117,7 @@ You should think about modifying the deathmatch starts to take full advantage of
 			mobj->color = SKINCOLOR_GOLD;
 			mobj->colorized = true;
 		}
+		// fall through
 	case MT_EGGMOBILE3:
 		mobj->cusval = mthing->extrainfo;
 		break;

src/r_things.c

@@ -2540,6 +2540,7 @@ UINT8 P_GetSkinSprite2(skin_t *skin, UINT8 spr2, player_t *player)
 					? player->charability
 					: skin->ability)
 					== CA_SWIM) ? SPR2_SWIM : SPR2_FLY;
+			// fall through
 
 		// Use the handy list, that's what it's there for!
 		default: