Automator: update common-files@master in istio/istio.io@master (#8065)

common/.commonfiles.sha

@@ -1 +1 @@
-2cc19b6f07436b757115472d54be4668edd622e3
+456ab8021b32c0bc25c638991448cfc54e06de39

common/scripts/gobuild.sh

@@ -78,14 +78,14 @@ if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[
     echo "Warning: Detected that you are using an older version of the Go compiler. Istio requires ${minimum_go_version} or greater."
 fi
 
-OPTIMIZATION_FLAGS="-trimpath"
+OPTIMIZATION_FLAGS=(-trimpath)
 if [ "${DEBUG}" == "1" ]; then
-    OPTIMIZATION_FLAGS=""
+    OPTIMIZATION_FLAGS=()
 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} ${LD_EXTRAFLAGS}" "${@}"