[gimp] app: add missing include to gimpdisplayshell-filter.c

[Michael Natterer <mitch src gnome org>]

commit 42a7d17d1ac0154c6142e9280f5e58b0adc3a64e
Author: Michael Natterer <mitch gimp org>
Date:   Thu Jul 25 09:15:07 2019 +0200

    app: add missing include to gimpdisplayshell-filter.c

 app/display/gimpdisplayshell-filter.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/app/display/gimpdisplayshell-filter.c b/app/display/gimpdisplayshell-filter.c
index ad482820aa..df9c3d7637 100644
--- a/app/display/gimpdisplayshell-filter.c
+++ b/app/display/gimpdisplayshell-filter.c
@@ -28,6 +28,7 @@
 #include "gimpdisplayshell-expose.h"
 #include "gimpdisplayshell-filter.h"
 #include "gimpdisplayshell-profile.h"
+#include "gimpdisplayshell-render.h"
 
 
 /*  local function prototypes  */