maint: avoid syntax-check failure due to long line

* tests/du/bigtime (future_time): Split long line.

diff --git a/tests/du/bigtime b/tests/du/bigtime
index 03f9e76..1498719 100755 (executable)
--- a/tests/du/bigtime
+++ b/tests/du/bigtime
@@ -32,7 +32,8 @@ case "$future_time" in
 *' Dec  4  300627798676 '*)
   skip_test_ "file system and localtime both handle big timestamps" ;;
 *)
-  skip_test_ "file system or localtime mishandles big time stamps: $future_time" ;;
+  skip_test_ "file system or localtime mishandles big time stamps:" \
+      "$future_time" ;;
 esac || skip_test_ "file system cannot represent big time stamps"
 
 printf "0\t$bignum\tfuture\n" > exp || framework_failure_