Non-destructive gui "make clean"

Signed-off-by: falkTX <falktx@falktx.com>

gui/Makefile

@@ -24,7 +24,10 @@ ui_%.py: %.ui
 # ---------------------------------------------------------------------------------------------------------------------
 
 clean:
-	rm -f *~ *.pyc ui_*.py
+	rm -f *~ *.pyc
+
+destroy: clean
+	rm -f ui_*.py
 
 # ---------------------------------------------------------------------------------------------------------------------