tests: minor correction

* tests/du/move-dir-while-traversing: Ignoring SIGTSTP is enough;
don't also attempt to ignore SIGSTOP, it cannot be handled or ignored.
Spotted by Andreas Schwab.

diff --git a/tests/du/move-dir-while-traversing b/tests/du/move-dir-while-traversing
index 2a60d6e..68302b8 100755 (executable)
--- a/tests/du/move-dir-while-traversing
+++ b/tests/du/move-dir-while-traversing
@@ -72,7 +72,7 @@ for i in $(seq 30); do
 done
 
 # Prohibit suspension, which could otherwise cause a timeout-induced FP failure.
-trap '' STOP TSTP
+trap '' TSTP
 
 timeout 6 ./inotify-watch-for-dir-access.py $t/3/a/b > start-msg &