[gimp] plug-ins: Don't leak the gegl buffer in pnm loader

[Tobias Ellinghaus <et src gnome org>]

commit 74a249cabe51dbb40b850e451f45cb45cd4e09dc
Author: Tobias Ellinghaus <me houz org>
Date:   Tue Apr 19 01:20:28 2016 +0100

    plug-ins: Don't leak the gegl buffer in pnm loader

 plug-ins/common/file-pnm.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/plug-ins/common/file-pnm.c b/plug-ins/common/file-pnm.c
index 8a1e3a3..1bc4615 100644
--- a/plug-ins/common/file-pnm.c
+++ b/plug-ins/common/file-pnm.c
@@ -544,6 +544,8 @@ run (const gchar      *name,
     }
 
   values[0].data.d_status = status;
+
+  gegl_exit ();
 }
 
 static gint32