[PATCH] tests: avoid close of bad file handle in commandtest

[Daniel P. Berrangé]

Closed file handles need to be initialized to -1, not 0. This caused a
inappropriate double close of stdin, which is not desirable, although
it had no ill effects.

Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
---
 tests/commandtest.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/commandtest.c b/tests/commandtest.c
index 42225a8ef2..cbbcda4e5f 100644
--- a/tests/commandtest.c
+++ b/tests/commandtest.c
@@ -1091,8 +1091,8 @@ static int test27(const void *unused G_GNUC_UNUSED)
         printf("Could not set send buffers\n");
         goto cleanup;
     }
-    pipe1[1] = 0;
-    pipe2[1] = 0;
+    pipe1[1] = -1;
+    pipe2[1] = -1;
     buffer1 = NULL;
     buffer2 = NULL;
 
-- 
2.26.2