Windows Bob is not executable

These files are all marked "Executable File":

• https://github.com/SiegeLord/Tango-D2/blob/d2port/build/bin/freebsd32/bob
• https://github.com/SiegeLord/Tango-D2/blob/d2port/build/bin/freebsd64/bob
• https://github.com/SiegeLord/Tango-D2/blob/d2port/build/bin/linux32/bob
• https://github.com/SiegeLord/Tango-D2/blob/d2port/build/bin/linux64/bob

This file is not:

https://github.com/SiegeLord/Tango-D2/blob/d2port/build/bin/win32/bob.exe

this can cause problems with Windows:

$ git clone --depth 1 git://github.com/SiegeLord/Tango-D2
$ cd Tango-D2
$ build/bin/win32/bob
sh: build/bin/win32/bob: Permission denied