Ticket #1973: Segfault in 'Listing mode' dialog

Test case:
 * run mc
 * Select F9 => 'Left/Right' => 'Listing mode...'
 * [x] user Mini status
 * enter below: 'half type name | size+ | perm'
 * Press [< OK >] button

Fix issue: alloc new block of memory with initialization (filled by zero)

Signed-off-by: Slava Zanko <slavazanko@gmail.com>

src/screen.c

@@ -1526,7 +1526,7 @@ parse_display_format (WPanel *panel, const char *format, char **error, int issta
     while (*format){           /* format can be an empty string */
 	int found = 0;
 
-        darr = g_new (format_e, 1);
+        darr = g_new0 (format_e, 1);
 
         /* I'm so ugly, don't look at me :-) */
         if (!home)