[gegl] Fix make check error on Jenkins

[Mikael Magnusson <mikachu src gnome org>]

commit ed6f611dbecae9cf64ad25bffa6291de96a89c10
Author: Sven Claussner <sclaussner src gnome org>
Date:   Sat Aug 17 17:40:52 2013 +0200

    Fix make check error on Jenkins
    
    Fix make check error on Jenkins by adding
    operations/external/npd.c to po/POTFILES.in.

 po/POTFILES.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 5dd307c..13983ec 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -143,6 +143,7 @@ operations/external/jpg-load.c
 operations/external/jpg-save.c
 operations/external/lcms-from-profile.c
 operations/external/matting-levin.c
+operations/external/npd.c
 operations/external/npy-save.c
 operations/external/openraw.c
 operations/external/path.c