[glib] docs: Add missing apostrophes in GObject documentation

[Philip Withnall <pwithnall src gnome org>]

commit 88101e59816d0aec6460ff5734662a82058db12e
Author: Philip Withnall <withnall endlessm com>
Date:   Mon Jan 15 15:35:33 2018 +0000

    docs: Add missing apostrophes in GObject documentation
    
    Signed-off-by: Philip Withnall <withnall endlessm com>
    Reviewed-by: nobody

 gobject/gobject.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gobject/gobject.c b/gobject/gobject.c
index d03d39f..c5bef2e 100644
--- a/gobject/gobject.c
+++ b/gobject/gobject.c
@@ -3480,7 +3480,7 @@ g_object_dup_qdata (GObject        *object,
  * If the previous value was replaced then ownership of the
  * old value (@oldval) is passed to the caller, including
  * the registered destroy notify for it (passed out in @old_destroy).
- * Its up to the caller to free this as he wishes, which may
+ * It’s up to the caller to free this as needed, which may
  * or may not include using @old_destroy as sometimes replacement
  * should not destroy the object in the normal way.
  *
@@ -3690,7 +3690,7 @@ g_object_dup_data (GObject        *object,
  * If the previous value was replaced then ownership of the
  * old value (@oldval) is passed to the caller, including
  * the registered destroy notify for it (passed out in @old_destroy).
- * Its up to the caller to free this as he wishes, which may
+ * It’s up to the caller to free this as needed, which may
  * or may not include using @old_destroy as sometimes replacement
  * should not destroy the object in the normal way.
  *