update to 4.25, drop pidfile patch and fix init script

OBS-URL: https://build.opensuse.org/package/show/security:Stunnel/stunnel?expand=0&rev=34

stunnel.rc

@@ -38,6 +38,7 @@ test -x $DAEMON_BIN || exit 5
 STUNNEL_RUN_CHROOTED=false
 DAEMON_PIDFILE=/var/run/stunnel.pid
 EXECUTABLES=
+CHROOT_PREFIX=
 while read -a line; do 
 	case ${line} in 
 	chroot)	CHROOT_PREFIX=${line[2]}; STUNNEL_RUN_CHROOTED=true;;
@@ -45,6 +46,7 @@ while read -a line; do
 	exec) 	EXECUTABLES="$EXECUTABLES ${line[2]}";;
 	esac; 
 done < $STUNNEL_CONF
+DAEMON_PIDFILE="$CHROOT_PREFIX$DAEMON_PIDFILE"
 
 # Shell functions sourced from /etc/rc.status:
 #      rc_check         check and set local and overall rc status
@@ -75,6 +77,7 @@ rc_reset
 # with force-reload (in case signalling is not supported) are
 # considered a success.
 
+# this seems to want to delete the pid file if it is empty
 test -e $DAEMON_PIDFILE && ! test -s $DAEMON_PIDFILE && rm $DAEMON_PIDFILE
 
 case "$1" in