[gegl] tiff: Fix includes for g_vasprintf and keep gcc quiet

[Øyvind Kolås <ok src gnome org>]

commit e7e926115f16080a952d578901124e59d23cb2e3
Author: Martin Blanchard <tchaik gmx com>
Date:   Thu Jan 14 22:13:43 2016 +0100

    tiff: Fix includes for g_vasprintf and keep gcc quiet
    
    https://bugzilla.gnome.org/show_bug.cgi?id=759273

 operations/external/tiff-load.c |    1 +
 operations/external/tiff-save.c |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/operations/external/tiff-load.c b/operations/external/tiff-load.c
index 7d68c27..f49dd75 100644
--- a/operations/external/tiff-load.c
+++ b/operations/external/tiff-load.c
@@ -39,6 +39,7 @@ property_int(directory, _("Directory"), 1)
 
 #include <gegl-op.h>
 #include <gegl-gio-private.h>
+#include <glib/gprintf.h>
 #include <tiffio.h>
 
 typedef enum {
diff --git a/operations/external/tiff-save.c b/operations/external/tiff-save.c
index aadb565..5eee8f7 100644
--- a/operations/external/tiff-save.c
+++ b/operations/external/tiff-save.c
@@ -32,6 +32,7 @@ property_file_path (path, _("File"), "")
 
 #include <gegl-op.h>
 #include <gegl-gio-private.h>
+#include <glib/gprintf.h>
 #include <tiffio.h>
 
 typedef struct