check-remote-image-existence.sh: change to tab

Signed-off-by: Norio Nomura <norio.nomura@gmail.com>

hack/check-remote-image-existence.sh

@@ -6,18 +6,18 @@ script_dir=$(dirname "$0")
 
 result=0
 for template in $(realpath "${script_dir}"/../examples/*.yaml "${script_dir}"/./test-templates/*.yaml|sort -u); do
-    for location in $(yq eval '.images[].location' "${template}"); do
-        if [[ "${location}" == http* ]]; then
-            response=$(curl -L -s -I -o /dev/null -w "%{http_code}" "${location}")
-            if [[ ${response} != "200" ]]; then
-                line=$(grep -n "${location}" "${template}" | cut -d ':' -f 1)
-                echo "::error file=${template},line=${line}::response: ${response} for ${location}"
-                result=1
-            else
-                echo "response: ${response} for ${location}"
-            fi
-        fi
-    done
+	for location in $(yq eval '.images[].location' "${template}"); do
+		if [[ "${location}" == http* ]]; then
+			response=$(curl -L -s -I -o /dev/null -w "%{http_code}" "${location}")
+			if [[ ${response} != "200" ]]; then
+				line=$(grep -n "${location}" "${template}" | cut -d ':' -f 1)
+				echo "::error file=${template},line=${line}::response: ${response} for ${location}"
+				result=1
+			else
+				echo "response: ${response} for ${location}"
+			fi
+		fi
+	done
 done
 
 exit "${result}"