update build for 1.8
# This script provides constants for the Golang binary build process
-readonly OS_BUILD_ENV_GOLANG="${OS_BUILD_ENV_GOLANG:-1.7}"
+readonly OS_BUILD_ENV_GOLANG="${OS_BUILD_ENV_GOLANG:-1.8}"
readonly OS_BUILD_ENV_IMAGE="${OS_BUILD_ENV_IMAGE:-openshift/origin-release:golang-${OS_BUILD_ENV_GOLANG}}"
readonly OS_OUTPUT_BASEPATH="${OS_OUTPUT_BASEPATH:-_output}"
