make sure to not divide by zero when computing miter limit

The minimal angle is valid only if the line join style is miter,
and e.g. FileDefinitionWidgetDraw can call these with round join
style and 0 angle, which would divide by 0. So either clamp
the value or compute it only when needed.

Change-Id: I2a2c71481490c03ec6d01b8e33cab991400adb35
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129006
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

0 files changed, 0 insertions, 0 deletions