fixed log file rotation

sendmail/rc.sendmail

@@ -99,7 +99,7 @@
     shtool rotate -f \
         -n ${sendmail_log_numfiles} -s ${sendmail_log_minsize} -d \
         -z ${sendmail_log_complevel} -o @l_susr@ -g @l_mgrp@ -m 644 \
-        -P "$sendmail_log_prologue" \
-        -E "$sendmail_log_epilogue && rc sendmail reload" \
+        -P "$sendmail_log_prolog" \
+        -E "$sendmail_log_epilog && rc sendmail reload" \
         @l_prefix@/var/sendmail/sendmail.log