Debug build breaks in unit test

[Oliver Brinzing]

Hi Regina,

-> 
https://wiki.documentfoundation.org/Development/BuildingOnWindows#System_PATH_causing_weird_build_breakage
     -> BitDefender / other Anti-Virus / security tools breaking the build

i told my anti virus not to scan c:\cygwin\* and c:\sources\*

still working ...

Regards
Oliver