mesa: Set correct array element in vbo_exec_vtx_init.
mesa: Set correct array element in vbo_exec_vtx_init.

I'm not familiar with this code, but this sure appears to be a typo.
It looks like the intent is to set each array element, not arrays[0]
each time.  Notably, the loop just below uses "array", not "arrays".

Signed-off-by: Kenneth Graunke <bd2562f754ec92342f93f61c25d731e290a2ffa8@whitecape.org>
Reviewed-by: Fredrik Höglund <f487c7598f046a9a67757788cf85ee89028a1b14@kde.org>
Reviewed-by: Brian Paul <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@vmware.com>
Cc: 59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org

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