Remove messages.po if it does exist :-)

diff --git a/bin/run_xgettext.sh b/bin/run_xgettext.sh
index 427325e027985f026cc9df531a74b566f32f53d8..3254524684b439b40104dacf8562bc8f3246a93a 100755 (executable)
--- a/bin/run_xgettext.sh
+++ b/bin/run_xgettext.sh
@@ -69,7 +69,7 @@ esac
 KEYWORDS="-k -kt -ktt:1,2"
 
 echo "Extract strings to $OUTFILE.."
-rm "$OUTFILE"; touch "$OUTFILE"
+[ -f "$OUTFILE" ] && rm "$OUTFILE"; touch "$OUTFILE"
 
 # shellcheck disable=SC2086  # $FINDOPTS is meant to be split
 find_result=$(find "$FINDSTARTDIR" $FINDOPTS -name "*.php" -type f | LC_ALL=C sort --stable)