When we free the swap buffer, do Not munmap the buffer data.

Buffer data (in this instance) is from the swapper (ie: the creation
of the swapper allocates & mmaps the data). As such, we should not
unmap it when we free buffer(s), just when we free the swapper.

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/modules/evas/engines/wayland_shm/evas_swapper.c

@@ -421,7 +421,7 @@ _evas_swapper_buffer_free(Wl_Buffer *wb)
    wb->buffer = NULL;
 
    /* unmap the buffer data */
-   if (wb->data) munmap(wb->data, wb->size);
+   /* if (wb->data) munmap(wb->data, wb->size); */
    wb->data = NULL;
 }