Use pkill -f for $KEYBOARD

Some pkill implementations match on /proc/pid/stat which is limited to
15 characters [1]. $KEYBOARD defaults to svkbd-mobile-intl which is more
then 15 characters, so use -f to match the full string. Note that sxmo
uses busybox pkill by default which does not have this limit.

[1] https://manpages.debian.org/buster/procps/pgrep.1.en.html (Notes)

Signed-off-by: Anjandev Momi <anjan@momi.ca>

scripts/core/sxmo_keyboard.sh

@@ -17,7 +17,7 @@ open() {
 }
 
 close() {
-	pkill "$KEYBOARD"
+	pkill -f "$KEYBOARD"
 }
 
 if [ "$1" = "toggle" ]; then

scripts/core/sxmo_presuspend.sh

@@ -8,7 +8,7 @@
 
 pkill -STOP conky
 pkill clickclack
-pkill $KEYBOARD
+pkill -f "$KEYBOARD"
 
 # If this script returns a non-zero exit code, suspension will be cancelled