po4a/update-po: Ensure that a glob won't expand to a command line option

diff --git a/po4a/update-po b/po4a/update-po
index 29c7f70f1a660d6620c06cf450e9b3fd9026e28b..ef72f836c21fcf8978a5276cfc23db83d0453896 100755 (executable)
--- a/po4a/update-po
+++ b/po4a/update-po
@@ -82,7 +82,7 @@ po4a --force --verbose \
 
 # Remove the *.po.authors files that were generated above.
 # This way they won't get included in distribution tarballs.
-rm -f *.po.authors
+rm -f -- *.po.authors
 
 # Add the customized POT header which contains the SPDX license
 # identifier and spells out the license name instead of saying