gpick: fix incorrect hash deref in complete_spec_heads()


%change_by_key is a hash, not a ref to a hash. drop excess $.

Fixes: QTQAINFRA-6413
Change-Id: I765aee70e10fd933b23cefd87fb9acb28e04d7aa
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: MÃ¥rten Nordheim <marten.nordheim@qt.io>
commit2ff85c10396e84c66abe0a79067edb09c2bddda7
parentd8a6977304a4bc9b41286fc8f1e25c70cbbf7563
authorOswald Buddenhagen <oswald.buddenhagen@gmx.de>
committerOswald Buddenhagen <oswald.buddenhagen@gmx.de>
commit timeMon, 24 Jun 2024 10:19:38 +0000