Tweak windows build targets

Makefile

@@ -4,25 +4,29 @@ endif
 ifeq ($(LIBDIR),)
 	LIBDIR := lib/
 endif
-
+VER = $(shell cat installer.cfg | grep version= | head -n 1 | sed s/version=//)
 
 all:	default pack
 
 systemlibs: systemlibtarget pack
 
+windows: wtarget wpack
+
 default:
 	python3 -m nuitka --follow-imports --file-reference-choice=runtime --include-module=certifi --include-module=keyring.backends.kwallet --include-module=keyring.backends.chainer --enable-plugin=qt-plugins --include-qt-plugins=all --python-flag=-O -o plchat plchat.py
 
 systemlibtarget:
 	python3 -m nuitka --file-reference-choice=runtime --nofollow-imports --follow-import-to=misc --follow-import-to=monkeypatch --follow-import-to=pleroma --follow-import-to=timeconvert --follow-import-to=videowidget --follow-import-to=audiowidget --python-flag=-O -o plchat plchat.py
 
-windows:
+windowstarget:
 	cat windows.patch > plchatwindows.py
 	cat plchat.py >> plchatwindows.py
 	makensis -VERSION || die "No makensis in path"
 	python3 -m nsist installer.cfg
-	mv build/nsis/PlChat_*.exe
-	zip plchat_windows.zip PlChat_*.exe
+
+wpack:
+	mv build/nsis/PlChat_$(VER).exe .
+	zip plchat_windows.zip PlChat_$(VER).exe
 
 pack:
 	mkdir dist
@@ -43,6 +47,8 @@ dpkg:
 
 clean:
 	rm -r dist || true
+	rm -r build || true
+	rm -r deb/usr || true
 
 install:
 	mkdir $(PREFIX)$(LIBDIR)