[gdk-pixbuf] Add IANA registered image/emf

[Philip Withnall <pwithnall src gnome org>]

commit 87adfe64790f4fbece84c5beb999686e5e95927f
Author: Ingo Brückl <ib wupperonline de>
Date:   Tue May 9 17:10:57 2017 +0200

    Add IANA registered image/emf
    
    Former image/x-emf is deprecated in favor of image/emf.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782390

 gdk-pixbuf/io-gdip-emf.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk-pixbuf/io-gdip-emf.c b/gdk-pixbuf/io-gdip-emf.c
index 77e417d..0ef397f 100644
--- a/gdk-pixbuf/io-gdip-emf.c
+++ b/gdk-pixbuf/io-gdip-emf.c
@@ -45,6 +45,7 @@ MODULE_ENTRY (fill_info) (GdkPixbufFormat *info)
   static const gchar *mime_types[] = {
     "application/emf",
     "application/x-emf",
+    "image/emf",
     "image/x-emf",
     "image/x-mgx-emf",
     NULL