configure.ac: bumped version to 2.0.5

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
8 jobs from master in 17 minutes and 33 seconds (queued for 42 minutes and 18 seconds)
Status Job ID Name Coverage
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Centos7

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Debian ASAN/UBSAN

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Debian GNU/Linux

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MinGW64

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abi/dist-check

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clang-analyzer/Fedora

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pages

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