Fix Crystal Caverns ripple and ceiling slopes

src/p_setup.c

@@ -5123,6 +5123,10 @@ static void P_ConvertBinaryLinedefTypes(void)
 
 				if (lines[i].flags & ML_MIDPEG)
 					sectors[s].flags |= MSF_TRIGGERSPECIAL_TOUCH;
+
+				if (mapnamespace == MNS_SRB2KART)
+					continue; // the below doesn't exist in kart
+
 				if (lines[i].flags & ML_NOSKEW)
 					sectors[s].flags |= MSF_TRIGGERSPECIAL_HEADBUMP;
 

src/p_slopes.c

@@ -689,6 +689,7 @@ static void line_SpawnViaMapthingVertexes(const int linenum, const boolean spawn
 	case TMSP_BACKCEILING:
 		slopetoset = &line->backsector->c_slope;
 		side = &sides[line->sidenum[1]];
+		break; // this break did not exist between 2019-04-19 and 2023-08-18. let that sink in.
 	default:
 		return;
 	}