trash : fix high sev coverity issue in trash.c

This patch fixes CID 1288790: RESOURCE_LEAK.

updates: bz#789278

Change-Id: I34bb410f1d3027e2d4c21044e87e319360344e04
Signed-off-by: Sunny Kumar <sunkumar@redhat.com>

xlators/features/trash/src/trash.c

@@ -194,6 +194,7 @@ store_eliminate_path(char *str, trash_elim_path **eliminate)
         if (!trav->path) {
             ret = ENOMEM;
             gf_log("trash", GF_LOG_DEBUG, "out of memory");
+            GF_FREE(trav);
             goto out;
         }
         trav->next = *eliminate;