[Build] Fix make based build with desktop file and icons.

Makefile.am

@@ -625,6 +625,15 @@ coverage-clean:
 .PHONY: .FORCE
 .FORCE:
 
+icondir=$(datadir)/icons/hicolor/apps/
+icon_DATA=\
+	data/rofi.svg
+
+desktopdir=$(datadir)/applications/
+desktop_DATA=\
+	data/rofi.desktop\
+	data/rofi-theme-selector.desktop
+
 EXTRA_DIST += \
 	doc/meson.build \
 	subprojects/libgwater/mpd/meson.build \
@@ -648,5 +657,9 @@ EXTRA_DIST += \
 	subprojects/libgwater/alsa-mixer/libgwater-alsa-mixer.h \
 	subprojects/libgwater/alsa-mixer/libgwater-alsa-mixer.c \
 	doc/meson_build_manpages.sh \
+	data/rofi.png\
 	meson_options.txt \
 	meson.build
+
+EXTRA_DIST += ${desktop_DATA}\
+							${icon_DATA}