do not duplicate CONFIG_PID_FILE_PATH and ".pid" strings

text	   data	    bss	    dec	    hex	filename
 981737	    485	   7296	 989518	  f194e	busybox_old
 981704	    485	   7296	 989485	  f192d	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

sysklogd/syslogd.c

@@ -1098,7 +1098,7 @@ static void do_syslogd(void)
 	} /* while (!bb_got_signal) */
 
 	timestamp_and_log_internal("syslogd exiting");
-	remove_pidfile(CONFIG_PID_FILE_PATH "/syslogd.pid");
+	remove_pidfile_std_path_and_ext("syslogd");
 	ipcsyslog_cleanup();
 	if (option_mask32 & OPT_kmsg)
 		kmsg_cleanup();
@@ -1164,7 +1164,7 @@ int syslogd_main(int argc UNUSED_PARAM, char **argv)
 	}
 
 	//umask(0); - why??
-	write_pidfile(CONFIG_PID_FILE_PATH "/syslogd.pid");
+	write_pidfile_std_path_and_ext("syslogd");
 
 	do_syslogd();
 	/* return EXIT_SUCCESS; */