Fix mac build script to use mdtool instead of build
Fix mac build script to use mdtool instead of build

jcomtois/Akavache,shana/Akavache,bbqchickenrobot/Akavache,MathieuDSTP/MyAkavache,Loke155/Akavache,akavache/Akavache,MarcMagnin/Akavache,gimsum/Akavache,christer155/Akavache,shana/Akavache,martijn00/Akavache,mms-/Akavache,kmjonmastro/Akavache,ghuntley/AkavacheSandpit,PureWeen/Akavache