[gnome-online-accounts] kerberos-identity-manager: Silence -Wdiscarded-qualifiers

[Debarshi Ray <debarshir src gnome org>]

commit 255884f10dbd96b0a3e9ac0ee8f18e983c30a3ad
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Dec 5 19:41:56 2018 +0100

    kerberos-identity-manager: Silence -Wdiscarded-qualifiers

 src/goaidentity/goakerberosidentitymanager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/goaidentity/goakerberosidentitymanager.c b/src/goaidentity/goakerberosidentitymanager.c
index 950ddaf0..b1721361 100644
--- a/src/goaidentity/goakerberosidentitymanager.c
+++ b/src/goaidentity/goakerberosidentitymanager.c
@@ -80,7 +80,7 @@ typedef struct
     GoaIdentity *identity;
     struct
     {
-      const char *identifier;
+      char *identifier;
       gconstpointer initial_password;
       char *preauth_source;
       GoaIdentitySignInFlags sign_in_flags;