Increase the number of 'X' characters in calls to `mktemp`, for portability.
On OpenBSD, using only five 'X' characters results in the following error message:
mktemp: insufficient number of Xs in template `tmp_bazel_zip_files_XXXXX'
On OpenBSD, the minimum number of 'X' characters is six:
https://man.openbsd.org/mktemp
PiperOrigin-RevId: 315462488
diff --git a/src/create_java_tools_release.sh b/src/create_java_tools_release.sh
index 9376b0a..eb16086 100755
--- a/src/create_java_tools_release.sh
+++ b/src/create_java_tools_release.sh
@@ -67,7 +67,7 @@
# Create a tmp directory to download the artifacts from GCS and compute their
# sha256sum.
-tmp_dir=$(mktemp -d -t 'tmp_bazel_zip_files_XXXXX')
+tmp_dir=$(mktemp -d -t 'tmp_bazel_zip_files_XXXXXX')
trap "rm -fr $tmp_dir" EXIT
gcs_bucket="gs://bazel-mirror/bazel_java_tools"
