client: simple-egl, code-cleanup

@@ -516,8 +574,13 @@ pointer_handle_button(void data, struct wl_pointer
wl_pointer, struct display *display = data;
if (button == BTN_LEFT && state == WL_POINTER_BUTTON_STATE_PRESSED) + {
The brace belongs to the previous line.
if (!display->window->xdg_surface)
return;
This check could simply be the first in this function, so you don't have
to add braces or break the indentation

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>