zdtm: maps02: fix detecting VmFlags absence
zdtm: maps02: fix detecting VmFlags absence

#PSBM-19883

Signed-off-by: Konstantin Khlebnikov <3b96b99f19643d33e1bfa1caa535c041c3608549@openvz.org>
Acked-by: Cyrill Gorcunov <7a1ea01eee6961eb1e372e3508c2670446d086f4@openvz.org>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

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