FileLog: syntax error fixed

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@5411 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/92_FileLog.pm

@@ -57,7 +57,7 @@ FileLog_Define($@)
 
   return "wrong syntax: define <name> FileLog filename regexp" if(int(@a) != 4);
 
-  return "Bad regexp: starting with *" if($re =~ m/^\*/);
+  return "Bad regexp: starting with *" if($a[3] =~ m/^\*/);
   eval { "Hallo" =~ m/^$a[3]$/ };
   return "Bad regexp: $@" if($@);