Use $SHELL, fix after patch: Start terminal with a login shell if run from dmenu

Signed-off-by: Maarten van Gompel <proycon@anaproy.nl>

scripts/core/sxmo_appmenu.sh

@@ -70,7 +70,7 @@ programchoicesinit() {
 				$(command -v ranger     >/dev/null && echo 'Ranger      ^ 0 ^ st -e ranger')
 				$(command -v sacc       >/dev/null && echo 'Sacc        ^ 0 ^ st -e sacc i-logout.cz/1/bongusta')
 				$(command -v sic        >/dev/null && echo 'Sic         ^ 0 ^ st -e sic')
-				$(command -v st         >/dev/null && echo 'St          ^ 0 ^ st -e /bin/sh -l')
+				$(command -v st         >/dev/null && echo 'St          ^ 0 ^ st -e $SHELL -l')
 				$(command -v surf       >/dev/null && echo 'Surf        ^ 0 ^ surf')
 				$(command -v syncthing  >/dev/null && echo 'Syncthing          ^ 0 ^ syncthing')
 				$(command -v telegram-desktop >/dev/null && echo 'Telegram     ^ 0 ^ telegram-desktop')

scripts/core/sxmo_xinit.sh

@@ -8,6 +8,7 @@ envvars() {
 	command -v "$TERMCMD" || export TERMCMD=st
 	command -v "$BROWSER" || export BROWSER=surf
 	command -v "$EDITOR" || export EDITOR=vis
+	command -v "$SHELL" || export SHELL=/bin/sh
 	command -v "$KEYBOARD" || defaultkeyboard
 	[ -z "$MPV_HOME" ] && export MPV_HOME=/usr/share/sxmo/mpv
 	[ -z "$MOZ_USE_XINPUT2" ] && export MOZ_USE_XINPUT2=1