test suite: gnupg: Have three goes, rather than two

The retry strategy is, empirically, fairly successful.  But the
failure probability is still high enough to be a real nuisance.  Let's
try running it a 3rd time if the second fails.  Maybe this will reduce
the overall impact.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/tstunt/gpg b/tests/tstunt/gpg
index a108267..892b9c8 100755
--- a/tests/tstunt/gpg
+++ b/tests/tstunt/gpg
@@ -1,7 +1,7 @@
 #!/bin/sh
 set -e
 
-for attempt in '' exec; do
+for attempt in '' ' ' exec; do
 
 set +e
 $attempt						\