v0.7.0: increased the minimum size of runestone rooms

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/RunestoneRoom.java

@@ -33,6 +33,14 @@ import com.watabou.utils.Random;
 
 public class RunestoneRoom extends SpecialRoom {
 	
+	@Override
+	public int minWidth() { return 6; }
+	
+	@Override
+	public int minHeight() {
+		return 6;
+	}
+	
 	@Override
 	public void paint( Level level) {