wpa_gui-qt4: add svg icon

Introducing an original wpa_gui icon, in svg format, with Makefile for
easy conversion to other icon formats. The icon is thanks to Bernard Gray.

Signed-off-by: Bernard Gray <bernard.gray@gmail.com>
Signed-off-by: Kel Modderman <kel@otaku42.de>

wpa_supplicant/wpa_gui-qt4/icons/Makefile

@@ -0,0 +1,23 @@
+#!/usr/bin/make -f
+
+NAME  := wpa_gui
+SVG   := $(NAME).svg
+SIZES := 16x16 22x22 32x32 48x48 64x64 128x128
+ICONS := $(addsuffix .png,$(SIZES))
+ICONS += $(addsuffix .xpm,16x16 32x32)
+
+all: $(ICONS)
+
+%.png:
+	mkdir -p hicolor/$(@:.png=)/apps/
+	inkscape $(SVG) --without-gui \
+		--export-width=$(word 1,$(subst x, ,$(@:.png=)))  \
+	        --export-height=$(word 2,$(subst x, ,$(@:.png=))) \
+		--export-png=hicolor/$(@:.png=)/apps/$(NAME).png
+
+%.xpm:
+	mkdir -p pixmaps/
+	convert hicolor/$(@:.xpm=)/apps/$(NAME).png pixmaps/$@
+
+clean:
+	$(RM) -r pixmaps hicolor