Fix for shellcheck problem and whitespace issue as suggested by Reed Wade (also stripping trailing spaces)

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

scripts/core/sxmo_networks.sh

@@ -54,7 +54,7 @@ addnetworkgsmmenu() {
 
 addnetworkwpamenu() {
 	SSID="$(
-		nmcli d wifi list | tail -n +2 | grep -v '^*' | awk '{ print $2 }' | grep -v '\-\-' |
+		nmcli d wifi list | tail -n +2 | grep -v '^\*' | awk -F'  ' '{ print $6 }' | grep -v '\-\-' |
 		xargs -0 printf 'Close Menu\n%s' |
 		sxmo_dmenu_with_kb.sh -c -p "Add WPA: SSID" -fn "Terminus-20" -l 20
 	)"