[gnome-calendar] utils: Receive const GdkRGBA*

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 0acf0b60baf90e97c2a50fce7492dc836d7bc894
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri May 3 19:27:50 2019 -0300

    utils: Receive const GdkRGBA*
    
    We do not modify their values, they're const in
    practice already.

 src/utils/gcal-utils.c | 8 ++++----
 src/utils/gcal-utils.h | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/utils/gcal-utils.c b/src/utils/gcal-utils.c
index 5d2f792a..efcdd58e 100644
--- a/src/utils/gcal-utils.c
+++ b/src/utils/gcal-utils.c
@@ -139,8 +139,8 @@ gcal_get_month_name (gint i)
  * Returns: (transfer full): a #cairo_surface_t
  */
 cairo_surface_t*
-gcal_get_surface_from_color (GdkRGBA  *color,
-                             gint      size)
+gcal_get_surface_from_color (const GdkRGBA *color,
+                             gint           size)
 {
   cairo_surface_t *surface;
   cairo_t *cr;
@@ -171,8 +171,8 @@ gcal_get_surface_from_color (GdkRGBA  *color,
  * Returns: (transfer full): a #cairo_surface_t
  */
 cairo_surface_t*
-get_circle_surface_from_color (GdkRGBA *color,
-                               gint     size)
+get_circle_surface_from_color (const GdkRGBA *color,
+                               gint           size)
 {
   cairo_surface_t *surface;
   cairo_t *cr;
diff --git a/src/utils/gcal-utils.h b/src/utils/gcal-utils.h
index 5f8427bf..9dacbb87 100644
--- a/src/utils/gcal-utils.h
+++ b/src/utils/gcal-utils.h
@@ -45,10 +45,10 @@ gchar*               gcal_get_weekday                            (gint
 
 gchar*               gcal_get_month_name                         (gint                i);
 
-cairo_surface_t*     gcal_get_surface_from_color                 (GdkRGBA            *color,
+cairo_surface_t*     gcal_get_surface_from_color                 (const GdkRGBA      *color,
                                                                   gint                size);
 
-cairo_surface_t*     get_circle_surface_from_color               (GdkRGBA            *color,
+cairo_surface_t*     get_circle_surface_from_color               (const GdkRGBA      *color,
                                                                   gint                size);
 
 void                 get_color_name_from_source                  (ESource            *source,