Silence -Wsizeof-pointer-memaccess warnings pointed out here -

https://travis-ci.org/github/libretro/RetroArch/jobs/764003625

tasks/task_save.c

@@ -757,21 +757,22 @@ static void task_save_handler(retro_task_t *task)
 
    if (task_get_cancelled(task) || written != remaining)
    {
-      char *err = (char*)malloc(8192 * sizeof(char));
-      err[0] = '\0';
+      size_t err_size = 8192 * sizeof(char);
+      char *err       = (char*)malloc(err_size);
+      err[0]          = '\0';
 
       if (state->undo_save)
       {
          RARCH_ERR("[State]: %s \"%s\".\n",
             msg_hash_to_str(MSG_FAILED_TO_UNDO_SAVE_STATE),
             undo_save_buf.path);
 
-         snprintf(err, sizeof(err), "%s \"%s\".",
+         snprintf(err, err_size - 1, "%s \"%s\".",
                   msg_hash_to_str(MSG_FAILED_TO_UNDO_SAVE_STATE),
                   "RAM");
       }
       else
-         snprintf(err, sizeof(err),
+         snprintf(err, err_size - 1,
                "%s %s",
                msg_hash_to_str(MSG_FAILED_TO_SAVE_STATE_TO), state->path);
 
@@ -999,12 +1000,13 @@ static void task_load_handler(retro_task_t *task)
 
       if (!task_get_mute(task))
       {
-         char *msg         = (char*)malloc(8192 * sizeof(char));
+         size_t msg_size   = 8192 * sizeof(char);
+         char *msg         = (char*)malloc(msg_size);
 
          msg[0]            = '\0';
 
          if (state->autoload)
-            snprintf(msg, sizeof(msg),
+            snprintf(msg, msg_size - 1,
                   "%s \"%s\" %s.",
                   msg_hash_to_str(MSG_AUTOLOADING_SAVESTATE_FROM),
                   state->path,
@@ -1013,15 +1015,14 @@ static void task_load_handler(retro_task_t *task)
          {
             if (state->state_slot < 0)
                strlcpy(msg, msg_hash_to_str(MSG_LOADED_STATE_FROM_SLOT_AUTO),
-                     sizeof(msg));
+                     msg_size - 1);
             else
-               snprintf(msg, sizeof(msg),
+               snprintf(msg, msg_size - 1,
                      msg_hash_to_str(MSG_LOADED_STATE_FROM_SLOT),
                      state->state_slot);
          }
 
          task_set_title(task, strdup(msg));
-
          free(msg);
       }