ash testsuite: fix false positives

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-misc/exitcode_EACCES.right b/shell/ash_test/ash-misc/exitcode_EACCES.right
index 0a332f5..50719c9 100644
--- a/shell/ash_test/ash-misc/exitcode_EACCES.right
+++ b/shell/ash_test/ash-misc/exitcode_EACCES.right
@@ -1,2 +1,2 @@
-exitcode_EACCES.tests: line 1: ./: Permission denied
+./exitcode_EACCES.tests: line 1: ./: Permission denied
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