spdk_top: redraw bottom menu after closing a window

Fix for merged patch.
Redraws bottom menu after closing a pop-up window
to avoid leaving black space where windows was drawn.

Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Change-Id: I3ab3d7ea1a2729d3556539cad5d28aa758617d67
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6067
Reviewed-by: Maciej Szwed <maciej.szwed@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>

app/spdk_top/spdk_top.c

@@ -1472,6 +1472,7 @@ refresh_tab(enum tabs tab, uint8_t current_page)
 	for (i = 0; i < NUMBER_OF_TABS; i++) {
 		wrefresh(g_tab_win[i]);
 	}
+	draw_menu_win();
 
 	return max_pages;
 }