logrotate: set rotate size to avoid "disk full"

salt/freifunk/base/logrotate/etc/logrotate.d/freifunk

@@ -7,6 +7,7 @@
 	daily
 	compress
 	copytruncate
+	size 1M
 	missingok
 #	create 640 root root
 }
@@ -16,6 +17,7 @@
 	daily
 	compress
 	copytruncate
+	size 1M
 	missingok
 #	create 640 root root
 }