[gegl] operations: npd: allow to set rigidity to 0

[Mikael Magnusson <mikachu src gnome org>]

commit 0aaae609832a0b37d398157bc889e81ee39044e1
Author: Marek Dvoroznak <dvoromar gmail com>
Date:   Wed Nov 6 23:57:06 2013 +0100

    operations: npd: allow to set rigidity to 0
    
    It should be useful in situation when we just want to
    redraw previously deformed image (without continuing
    to deform it).

 operations/external/npd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/operations/external/npd.c b/operations/external/npd.c
index 121a6ab..63bfc37 100644
--- a/operations/external/npd.c
+++ b/operations/external/npd.c
@@ -28,7 +28,7 @@ gegl_chant_int     (square_size, _("square size"),
                     _("Size of an edge of square the mesh consists of"))
 
 gegl_chant_int     (rigidity,    _("rigidity"),
-                    1, 10000, 100,
+                    0, 10000, 100,
                     _("The number of deformation iterations"))
 
 gegl_chant_boolean (ASAP_deformation, _("ASAP deformation"),