Automator: update common-files@master in istio/istio.io@master (#7875)

common/.commonfiles.sha

@@ -1 +1 @@
-cbb189c08df5b73559cdf84fe246ff2a9192ce39
+8c6a3a43e2c984c4e822978feb0cbad194454430

common/scripts/gobuild.sh

@@ -86,6 +86,6 @@ fi
 time GOOS=${BUILD_GOOS} GOARCH=${BUILD_GOARCH} ${GOBINARY} build \
         ${V} "${GOBUILDFLAGS_ARRAY[@]}" ${GCFLAGS:+-gcflags "${GCFLAGS}"} \
         -o "${OUT}" \
-        ${OPTIMIZATION_FLAGS} \
+        "${OPTIMIZATION_FLAGS}" \
         -pkgdir="${GOPKG}/${BUILD_GOOS}_${BUILD_GOARCH}" \
         -ldflags "${LDFLAGS} ${LD_EXTRAFLAGS}" "${@}"

common/scripts/setup_env.sh

@@ -69,7 +69,7 @@ export UID
 DOCKER_GID=$(grep '^docker:' /etc/group | cut -f3 -d:)
 export DOCKER_GID
 
-TIMEZONE=$(readlink $readlink_flags /etc/localtime | sed -e 's/^.*zoneinfo\///')
+TIMEZONE=$(readlink "$readlink_flags" /etc/localtime | sed -e 's/^.*zoneinfo\///')
 export TIMEZONE
 
 export TARGET_OUT="${TARGET_OUT:-$(pwd)/out/${TARGET_OS}_${TARGET_ARCH}}"