Clear linecounter before version/copyright notice.

src/sbbs3/answer.cpp

@@ -197,6 +197,7 @@ bool sbbs_t::answer()
 			);
 	i=l=0;
 	tos=1;
+	lncntr=0;
 	strcpy(str,VERSION_NOTICE);
 	strcat(str,"  ");
 	strcat(str,COPYRIGHT_NOTICE);