approval_X11R6.8.x requested: [Bug 2690] Crash in miFillPolygon() when doing miWideDash() and leftFace has dx == 0 and dy < 0 : [Attachment 2069] Fix

[bugzilla-request-daemon at freedesktop.org]

Egbert Eich <eich at pdx.freedesktop.org> has asked  for approval_X11R6.8.x:
Bug 2690: Crash in miFillPolygon() when doing miWideDash() and leftFace has dx
== 0 and dy < 0
https://bugs.freedesktop.org/show_bug.cgi?id=2690

Attachment 2069: Fix
https://bugs.freedesktop.org/attachment.cgi?id=2069&action=edit