Skip malformed entries in abots.sav, which avoids two null dereferences found by Coverity.

git-svn-id: svn://svn.code.sf.net/p/bitchx/code/trunk@250 13b04d17-f746-0410-82c6-800466cd88b0

Changelog

@@ -1,5 +1,8 @@
 [Changes 1.2c01]
 
+* Skip malformed abots.sav entries in read_abot(), avoiding null
+  dereferences found by Coverity. (flashback)
+
 * Ensure proper handling of % when /FSET DCC is used. (caf)
 
 * Improve robustness of CDCC save file loading. (caf)

dll/abot/autobot.c

@@ -198,8 +198,12 @@ UserList *new;
 			chop(buffer, 1);
 			u = buffer;
 			h = strchr(u, '!');
+			if (!h)
+				continue;
 			*h++ = 0;
 			p = strchr(h, ',');
+			if (!p)
+				continue;
 			*p++ = 0;
 			if ((c = strchr(p, ',')))
 				*c++ = 0;