[gimp] app: require gegl:npd in sanity_check_gegl_ops()

[Michael Natterer <mitch src gnome org>]

commit 1d196bbb2e32437de79d63d5dc2648cc4568169e
Author: Michael Natterer <mitch gimp org>
Date:   Sun Mar 1 16:53:36 2015 +0100

    app: require gegl:npd in sanity_check_gegl_ops()

 app/sanity.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/app/sanity.c b/app/sanity.c
index 9a46e21..8099b91 100644
--- a/app/sanity.c
+++ b/app/sanity.c
@@ -527,6 +527,7 @@ sanity_check_gegl_ops (void)
     "gegl:noise-slur",
     "gegl:noise-solid",
     "gegl:noise-spread",
+    "gegl:npd",
     "gegl:oilify",
     "gegl:opacity",
     "gegl:over",