hunter_pack_git_submodule: Use HUNTER_GIT_EXECUTABLE
hunter_pack_git_submodule: Use HUNTER_GIT_EXECUTABLE

ruslo/hunter,fwinnen/hunter,tatraian/hunter,ikliashchou/hunter,ErniBrown/hunter,mchiasson/hunter,dan-42/hunter,tatraian/hunter,ruslo/hunter,isaachier/hunter,ingenue/hunter,ingenue/hunter,mchiasson/hunter,xsacha/hunter,dan-42/hunter,xsacha/hunter,ErniBrown/hunter,NeroBurner/hunter,madmongo1/hunter,pretyman/hunter,isaachier/hunter,pretyman/hunter,ingenue/hunter,ingenue/hunter,tatraian/hunter,ErniBrown/hunter,dan-42/hunter,xsacha/hunter,madmongo1/hunter,ErniBrown/hunter,pretyman/hunter,mchiasson/hunter,ruslo/hunter,NeroBurner/hunter,pretyman/hunter,madmongo1/hunter,NeroBurner/hunter,fwinnen/hunter,mchiasson/hunter,xsacha/hunter,NeroBurner/hunter,madmongo1/hunter,isaachier/hunter,ikliashchou/hunter,fwinnen/hunter,ikliashchou/hunter,isaachier/hunter,ruslo/hunter,ikliashchou/hunter,dan-42/hunter