[gegl] lens-correct: Add missing alpha member to LensCorrectionModel

[Mukund Sivaraman <muks src gnome org>]

commit b826c2b8656d4c6d3c229b3e1df61a04c8d055ad
Author: Mukund Sivaraman <muks banu com>
Date:   Tue Aug 30 19:32:40 2011 +0530

    lens-correct: Add missing alpha member to LensCorrectionModel

 operations/workshop/lens-correct.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/operations/workshop/lens-correct.h b/operations/workshop/lens-correct.h
index 437fcae..e3364e5 100644
--- a/operations/workshop/lens-correct.h
+++ b/operations/workshop/lens-correct.h
@@ -20,7 +20,7 @@ typedef struct {
   GeglRectangle BB;                               /* Bounding box of the imaged area. */
   gfloat cx, cy;                                  /* Coordinates of lens center within the imaged area.  */
   gfloat rscale;                                  /* Scale of the image (1/2 of the shortest side). */
-  ChannelCorrectionModel red, green, blue;        /* Correction parameters for each color channel. */
+  ChannelCorrectionModel red, green, blue, alpha; /* Correction parameters for each color channel. */
 } LensCorrectionModel;
 
 #endif