[gimp] app: make gimp-atomic parameters volatile

[N/A <ell src gnome org>]

commit 5c7064fb9ff3c56c2b6c9164d58ac9c50e668bfc
Author: Ell <ell_se yahoo com>
Date:   Tue May 15 12:57:45 2018 -0400

    app: make gimp-atomic parameters volatile

 app/core/gimp-atomic.c |    6 +++---
 app/core/gimp-atomic.h |    6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/app/core/gimp-atomic.c b/app/core/gimp-atomic.c
index 85aa424..804be07 100644
--- a/app/core/gimp-atomic.c
+++ b/app/core/gimp-atomic.c
@@ -35,8 +35,8 @@ static GSList gimp_atomic_slist_sentinel;
 
 
 void
-gimp_atomic_slist_push_head (GSList   **list,
-                             gpointer   data)
+gimp_atomic_slist_push_head (GSList   * volatile *list,
+                             gpointer             data)
 {
   GSList *old_head;
   GSList *new_head;
@@ -61,7 +61,7 @@ gimp_atomic_slist_push_head (GSList   **list,
 }
 
 gpointer
-gimp_atomic_slist_pop_head (GSList **list)
+gimp_atomic_slist_pop_head (GSList * volatile *list)
 {
   GSList   *old_head;
   GSList   *new_head;
diff --git a/app/core/gimp-atomic.h b/app/core/gimp-atomic.h
index fa7306f..88d9eb5 100644
--- a/app/core/gimp-atomic.h
+++ b/app/core/gimp-atomic.h
@@ -24,9 +24,9 @@
 
 /*  GSList  */
 
-void       gimp_atomic_slist_push_head (GSList   **list,
-                                        gpointer   data);
-gpointer   gimp_atomic_slist_pop_head  (GSList   **list);
+void       gimp_atomic_slist_push_head (GSList   * volatile *list,
+                                        gpointer             data);
+gpointer   gimp_atomic_slist_pop_head  (GSList   * volatile *list);
 
 
 #endif /* __GIMP_ATOMIC_H__ */