[glib/wip/pwithnall/credentials-fix] gcredentials: Add missing header needed for glib_typeof

[Philip Withnall <pwithnall src gnome org>]

commit acbaae6b6aa118881608cb56daacf512a5110aad
Author: Philip Withnall <pwithnall endlessos org>
Date:   Wed Oct 21 11:32:32 2020 +0100

    gcredentials: Add missing header needed for glib_typeof
    
    This fixes commit 5b2bee3f539.
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>

 gio/gcredentials.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gio/gcredentials.c b/gio/gcredentials.c
index 9423f9ef9..6e3fe72ad 100644
--- a/gio/gcredentials.c
+++ b/gio/gcredentials.c
@@ -30,6 +30,7 @@
 #include "gnetworking.h"
 #include "gioerror.h"
 #include "gioenumtypes.h"
+#include "gmacros.h"
 
 #include "glibintl.h"