CBLT-42:  before calling InstallShield, change param to use backslashes
CBLT-42:  before calling InstallShield, change param to use backslashes

Change-Id: I5792985021b2ac802d7d7ad7c3c024eedc0f76d9

couchbaselabs/sync_gateway,evankyle/sync_gateway,evankyle/sync_gateway,ceejatec/sync_gateway,ceejatec/sync_gateway,jamiltz/sync_gateway,ceejatec/sync_gateway,paulharter/sync_gateway,jamiltz/sync_gateway,couchbaselabs/sync_gateway,paulharter/sync_gateway,tophatch/sync_gateway,evankyle/sync_gateway,jamiltz/sync_gateway,tleyden/sync_gateway,ceejatec/sync_gateway,tophatch/sync_gateway,couchbaselabs/sync_gateway,tophatch/sync_gateway,tophatch/sync_gateway,evankyle/sync_gateway,tleyden/sync_gateway,tleyden/sync_gateway,tleyden/sync_gateway,paulharter/sync_gateway,paulharter/sync_gateway,couchbaselabs/sync_gateway