Fix Linux build warnings

Minecraft.Client/Platform/Common/GameRules/ConsoleGenerateStructure.cpp

@@ -164,6 +164,8 @@ bool ConsoleGenerateStructure::postProcess(Level *level, Random *random, Boundin
 				pPlaceSpawner->placeSpawnerInLevel(this,level,chunkBB);
 			}
 			break;
+		default:
+			break;
 		};
 	}
 
@@ -178,4 +180,4 @@ bool ConsoleGenerateStructure::checkIntersects(int x0, int y0, int z0, int x1, i
 int ConsoleGenerateStructure::getMinY()
 {
 	return getBoundingBox()->y0;
-}
+}