[Windows] Building in 64bits

[Xavier Bigand]

I try to build in 64bits with dmd to be able to use VS tools. Please 
notice on linux our project build fine in 64bits.

Here is my error :

E:\Dev\Personal\DQuick\src\samples\Minesweeper>dub --arch=x86_64
Checking dependencies in 'E:\Dev\Personal\DQuick\src\samples\Minesweeper'
Building configuration "application", build type debug
Compiling...
Linking...
Mine Sweeper.obj : fatal error LNK1179: fichier non valide ou 
endommagé : 
'_D6dquick6script5utils162__T31fullyQualifiedNameImplForTypes2TDFC6dquick6script11itemBinding65__T11ItemBindingTC6dquick4item15declarativeItem15DeclarativeItemZ11ItemBindingZvVb0Vb0Vb0Vb0Z29__T20storageClassesStringVk0Z20storageClassesStringFNaNdNfZAya' 
COMDAT dupliqué
--- errorlevel 1179
Error executing command run: Link command failed with exit code 1179