[gimp] build: adding libwmf dependency to flatpak.

[Jehan Pagès <jehanp src gnome org>]

commit ca832fb0ffed6560e5090b87a464babf5c56b7d5
Author: Jehan <jehan girinstud io>
Date:   Sun Jan 29 14:59:36 2017 +0100

    build: adding libwmf dependency to flatpak.
    
    Main missing dependencies now are libgudev, webkit and ghostscript.

 build/flatpak/org.gimp.GIMP.json |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/build/flatpak/org.gimp.GIMP.json b/build/flatpak/org.gimp.GIMP.json
index 18ca4a4..8f5ffbb 100644
--- a/build/flatpak/org.gimp.GIMP.json
+++ b/build/flatpak/org.gimp.GIMP.json
@@ -218,6 +218,18 @@
             ]
         },
         {
+            "name": "libwmf",
+            "config-opts": [ "--disable-static", "--disable-dependency-tracking" ],
+            "cleanup": [ "/share/doc", "/bin" ],
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": "http://downloads.sourceforge.net/wvware/libwmf-0.2.8.4.tar.gz";,
+                    "sha256": "5b345c69220545d003ad52bfd035d5d6f4f075e65204114a9e875e84895a7cf8"
+                }
+            ]
+        },
+        {
             "name": "babl",
             "config-opts": [ "--disable-docs" ],
             "sources": [