Remove eval calls from supervisor start functions

This fixes #77.

sh/start-stop-daemon.sh

@@ -38,7 +38,7 @@ ssd_start()
 		service_inactive && _inactive=true
 		mark_service_inactive
 	fi
-	eval start-stop-daemon --start \
+	start-stop-daemon --start \
 		--exec $command \
 		${chroot:+--chroot} $chroot \
 		${procname:+--name} $procname \

sh/supervise-daemon.sh

@@ -19,7 +19,7 @@ supervise_start()
 	fi
 
 	ebegin "Starting ${name:-$RC_SVCNAME}"
-	eval supervise-daemon --start \
+	supervise-daemon --start \
 		${chroot:+--chroot} $chroot \
 		${pidfile:+--pidfile} $pidfile \
 		${command_user+--user} $command_user \