component/gdbm: version up and patch

we need the patch to be able to build with gcc 10 (used on Archlinux for example).
See https://bugs.gentoo.org/705898
patch is coming from https://705898.bugs.gentoo.org/attachment.cgi?id=603950
5 jobs for master in 0 seconds
Status Job ID Name Coverage
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passed SlapOS.SlapRunner.ResilienceTest-Master

01:45:25

failed SlapOS.SlapRunner.ResilienceTest-Master.ERP5

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failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python2

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failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

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failed SlapOS.SoftwareReleases.IntegrationTest-Master.Python3

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