FreeBSD_HEAD_i386 - Build #3115 - Fixed

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FreeBSD_HEAD_i386 - Build #3115 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/3115/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/3115/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/3115/console

Change summaries:

299533 by tuexen:
Use a format string in snprintf() for consistency.

This was reported by Radek Malcic when using the userland stack in
combination with MinGW.

MFC after: 1 week