[gegl] ff-load: Fix accidental removal of GEGL_OP_SOURCE

[Jon Nordby <jonnor src gnome org>]

commit 8587a1070a283ff9d7e3b68b738dc671a585d778
Author: Jon Nordby <jononor gmail com>
Date:   Wed Jan 21 02:39:08 2015 +0100

    ff-load: Fix accidental removal of GEGL_OP_SOURCE

 operations/external/ff-load.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/operations/external/ff-load.c b/operations/external/ff-load.c
index d146f67..570d1e7 100644
--- a/operations/external/ff-load.c
+++ b/operations/external/ff-load.c
@@ -31,6 +31,7 @@ property_int (frame, _("Frame number"), 0)
 
 #else
 
+#define GEGL_OP_SOURCE
 #define GEGL_OP_C_SOURCE ff-load.c
 
 #include "gegl-op.h"