removed TakiProducer from default build on WIN32

- MSVC complains about:
..\..\..\producers\taki\src\TakiProducer.cxx(15): fatal error C1083: Cannot open include file: 'sys/socket.h': No such file or directory [C:\Users\hperrey\Desktop\eudaq\build\producers\taki\TakiProducer.exe.vcxproj]
..\..\..\producers\taki\src\TakiProducerFAKEDATA.cxx(15): fatal error C1083: Cannot open include file: 'sys/socket.h': No such file or directory [C:\Users\hperrey\Desktop\eudaq\build\producers\taki\TakiProducerFAKEDATA.exe.vcxproj]
removed unreferenced local variable in APIX converter plugin

- fixes warning:
..\..\..\main\lib\src\APIX-CT-ConverterPlugin.cc(609): warning C4101: 'oldbxid' : unreferenced local variable [C:\Users\hperrey\Desktop\eudaq\build\main\lib\EUDAQ.vcxproj]
fixed uninitialized local variable in APIX converter plugin

- fixes warning:
c:\users\hperrey\desktop\eudaq\main\lib\src\apix-ct-converterplugin.cc(620): warning C4700: uninitialized local variable 'ntrg' used [C:\Users\hperrey\Desktop\eudaq\build\main\lib\EUDAQ.vcxproj]
fixed compiler warning in filewriterdetectorevents.cc

- fixed by replacing int with size_t:
..\..\..\main\lib\src\FileWriterDetectorEvents.cc(66): warning C4018: '<' : signed/unsigned mismatch [C:\Users\hperrey\Desktop\eudaq\build\main\lib\EUDAQ.vcxproj]
fixed compiler warning in multifilereader

- fixed:
..\..\..\main\lib\src\MultiFileReader.cc(28): warning C4018: '<' : signed/unsigned mismatch [C:\Users\hperrey\Desktop\eudaq\build\main\lib\EUDAQ.vcxproj]
Merge branch 'master' of https://github.com/eudaq/eudaq