ThiesDL1 [TASK]: modified syslog-ng config file

These changes appeared helpful when installing on OpenSuSE Tumbleweed.
Could not make clear whether they are essential...

src/conv/ThiesDL1/DL1logger_syslog-ng_remote.conf

@@ -8,11 +8,11 @@
 # BFO Thies DL1
 destination dl1log { file("/var/log/dl1log" fsync(yes) perm(0644)); };
 destination dl1logall { file("/var/log/dl1logall" fsync(yes) perm(0644)); };
-source DL1 { tcp(port(2222)); };
+source dl1 { tcp(ip(0.0.0.0) port(2222)); };
 filter f_dl1     { match('^DL1logger' value(MSGHDR)); }; 
 filter f_dl1_notice     { match('^DL1logger' value(MSGHDR)) and not level(info); };
-log { source(DL1); filter(f_dl1); destination(dl1logall); };
-log { source(DL1); filter(f_dl1_notice); destination(dl1log); };
+log { source(dl1); filter(f_dl1); destination(dl1logall); };
+log { source(dl1); filter(f_dl1_notice); destination(dl1log); };
 #
 # remove DL1 messages from normal system log
 # replace the standard filter by the following filter: