improper free() causes abort in tcpreplay_close()

[synfinatic]

http://tcpreplay.synfin.net/ticket/528

patch:

Index: src/tcpreplay_api.c
===================================================================
--- src/tcpreplay_api.c (revision 2648)
+++ src/tcpreplay_api.c (working copy)
@@ -344,6 +344,7 @@
     tcpreplay_opt_t *options;
     interface_list_t *intlist, *intlistnext;
     packet_cache_t *packet_cache, *next;
+    int i;

     assert(ctx);
     assert(ctx->options);
@@ -363,15 +364,14 @@
 #endif

     /* free the file cache */
-    if (options->file_cache != NULL) {
-        packet_cache = options->file_cache->packet_cache;
+    for (i = 0; i < MAX_FILES; i++) {
+        packet_cache = options->file_cache[i].packet_cache;
         while (packet_cache != NULL) {
             next = packet_cache->next;
             safe_free(packet_cache->pktdata);
             safe_free(packet_cache);
             packet_cache = next;
         }
-        safe_free(options->file_cache);
     }

     /* free our interface list */