Use explicit declaration of int types sign
Use explicit declaration of int types sign

Mainly needs to make blender happy with this custom
header which used to run into conflict with other int
types headers.

Wouldn't harm being more explicit here anyway.

rgkoo/libmv-blender,SoylentGraham/libmv,rgkoo/libmv-blender,rgkoo/libmv-blender,petertsoi/libmv,petertsoi/libmv,SoylentGraham/libmv,petertsoi/libmv,rgkoo/libmv-blender,SoylentGraham/libmv,SoylentGraham/libmv,rgkoo/libmv-blender,petertsoi/libmv