Don't pass uninitialized string to scanposts()

CID 319108

src/sbbs3/scansubs.cpp

 /* Synchronet message database scanning routines */
 
-/* $Id: scansubs.cpp,v 1.30 2019/05/02 19:37:04 rswindell Exp $ */
-
 /****************************************************************************
  * @format.tab-size 4		(Plain Text/Source Code File Header)			*
  * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
@@ -15,21 +13,9 @@
  * See the GNU General Public License for more details: gpl.txt or			*
  * http://www.fsf.org/copyleft/gpl.html										*
  *																			*
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  * Note: If this box doesn't appear square, then you need to fix your tabs.	*
  ****************************************************************************/
 
@@ -40,7 +26,7 @@
 /****************************************************************************/
 void sbbs_t::scansubs(long mode)
 {
-	char	ch,str[256];
+	char	ch,str[256] = "";
 	char 	tmp[512];
 	uint	i=0,found=0;
 	ulong	subs_scanned=0;