vcredist2017: changed one '15 reference to 2017 RC
vcredist2017: changed one '15 reference to 2017 RC

AdmiringWorm/chocolatey-coreteampackages,AdmiringWorm/chocolatey-coreteampackages,lennartb-/chocolatey-coreteampackages,lennartb-/chocolatey-coreteampackages,octomike/chocolatey-coreteampackages,octomike/chocolatey-coreteampackages