fhem.pl: utf8ToLatin1($) forward decl. added

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@3846 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/fhem.pl

@@ -98,6 +98,7 @@ sub redirectStdinStdErr();
 sub rejectDuplicate($$$);
 sub setGlobalAttrBeforeFork($);
 sub setReadingsVal($$$$);
+sub utf8ToLatin1($);
 
 sub CommandAttr($$);
 sub CommandDefaultAttr($$);