build: Move -installsuffix behind an explicit option (fixes #4272)
build: Move -installsuffix behind an explicit option (fixes #4272)

wweich/syncthing,wweich/syncthing,jryans/syncthing,uok/syncthing,jryans/syncthing,jryans/syncthing,lkwg82/syncthing,syncthing/syncthing,xduugu/syncthing,syncthing/syncthing,syncthing/syncthing,AudriusButkevicius/syncthing,syncthing/syncthing,rumpelsepp/syncthing,lkwg82/syncthing,AudriusButkevicius/syncthing,rumpelsepp/syncthing,imsodin/syncthing,rumpelsepp/syncthing,uok/syncthing,lkwg82/syncthing,imsodin/syncthing,lkwg82/syncthing,imsodin/syncthing,syncthing/syncthing,AudriusButkevicius/syncthing,xduugu/syncthing,xduugu/syncthing,xduugu/syncthing,jryans/syncthing,rumpelsepp/syncthing,imsodin/syncthing,AudriusButkevicius/syncthing,uok/syncthing,syncthing/syncthing,imsodin/syncthing,wweich/syncthing,wweich/syncthing,uok/syncthing