[retro-gtk] environement: Add a missing const modifier

[Adrien Plazas <aplazas src gnome org>]

commit 51a29bf4831a1925f364e3b17400f0c400578573
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Sun Dec 20 09:51:08 2020 +0100

    environement: Add a missing const modifier
    
    Setter environment commands have const values.

 retro-runner/retro-environment.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/retro-runner/retro-environment.c b/retro-runner/retro-environment.c
index 16fc47f..a5adccb 100644
--- a/retro-runner/retro-environment.c
+++ b/retro-runner/retro-environment.c
@@ -553,8 +553,8 @@ set_rotation (RetroCore           *self,
 }
 
 static gboolean
-set_support_no_game (RetroCore *self,
-                     bool      *support_no_game)
+set_support_no_game (RetroCore  *self,
+                     const bool *support_no_game)
 {
   retro_debug ("Set support no game: %s", TRUENESS (*support_no_game));
 
@@ -685,7 +685,7 @@ environment_core_command (RetroCore *self,
     return set_rotation (self, (RetroRotation *) data);
 
   case RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME:
-    return set_support_no_game (self, (bool *) data);
+    return set_support_no_game (self, (const bool *) data);
 
   case RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO:
     return set_system_av_info (self, (RetroSystemAvInfo *) data);