UrhoSharp 1.8.* breaks compatibility with iOS 9 (works with 1.5.22 and previous versions)

[vitoplantamura]

hi,

The problem is the same outlined here:

https://discourse.urho3d.io/t/clock-gettime-cause-crashed/2802

It seems that just undefining the HAVE_CLOCK_GETTIME preprocessor directive when building the native library can fix the issue.

Thanks, bye, --Vito

[EgorBo]

@vitoplantamura thanks for noticing, the fix will be available shortly.

[EgorBo]

we updated XCode sdk on our CI, urho3d by default uses "current sdk version" as a deployment target - fixed by #128dc05