[gimp] libgimpwidgets: Add back gtk-doc comment for @stack

[Mukund Sivaraman <muks src gnome org>]

commit 7c879dfa99b29369bd6d01a198a86b95ae2288d3
Author: Mukund Sivaraman <muks banu com>
Date:   Wed Apr 27 06:10:14 2011 +0530

    libgimpwidgets: Add back gtk-doc comment for @stack

 libgimpwidgets/gimpcolordisplaystack.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libgimpwidgets/gimpcolordisplaystack.c b/libgimpwidgets/gimpcolordisplaystack.c
index 5132048..76eac5b 100644
--- a/libgimpwidgets/gimpcolordisplaystack.c
+++ b/libgimpwidgets/gimpcolordisplaystack.c
@@ -286,6 +286,7 @@ gimp_color_display_stack_reorder_down (GimpColorDisplayStack *stack,
 
 /**
  * gimp_color_display_stack_convert_surface:
+ * @stack: a #GimpColorDisplayStack
  * @surface: a #cairo_image_surface_t of type ARGB32
  *
  * Runs all the stack's filters on all pixels in @surface.