test: initialize _cleanup_ variables

Missed one in a previous PR.

Follow-up for e5689f04dd3d57a4e680ab88c643fa971eb0afc2

diff --git a/src/test/test-socket-util.c b/src/test/test-socket-util.c
index bcb3dfd05586afcc48ad7e526baac0f142bf43e1..e34aa10e10d78e282ca5759a03e7dfd5a87b70c9 100644 (file)
--- a/src/test/test-socket-util.c
+++ b/src/test/test-socket-util.c
@@ -290,7 +290,7 @@ TEST(passfd_contents_read) {
         /* Parent */
         char buf[64];
         struct iovec iov = IOVEC_MAKE(buf, sizeof(buf)-1);
-        _cleanup_close_ int fd;
+        _cleanup_close_ int fd = -EBADF;
         ssize_t k;
 
         pair[1] = safe_close(pair[1]);