[gegl] shorter comment

[Nicolas Robidoux <nrobidoux src gnome org>]

commit 19d684bdf23308fe2238c6fc5d832344e127785e
Author: Nicolas Robidoux <nrobidoux git gnome org>
Date:   Sun Dec 9 19:02:00 2012 -0500

    shorter comment

 operations/transform/transform-core.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/operations/transform/transform-core.c b/operations/transform/transform-core.c
index bde2ca2..9268c3b 100644
--- a/operations/transform/transform-core.c
+++ b/operations/transform/transform-core.c
@@ -933,8 +933,7 @@ transform_affine (GeglBuffer  *dest,
       inverse_jacobian.coeff [0][1] = -inverse.coeff [0][1];
       inverse_jacobian.coeff [1][1] = -inverse.coeff [1][1];
       /*
-       * Set the flag so we know in which vertical order we'll be
-       * traversing the ROI with.
+       * Set the flag.
        */
       flip_y = (gint) 1;
     }