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-rw-r--r--src/src/tls-gnu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index 6b80637e9..f77768fb8 100644
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -235,7 +235,7 @@ Returns: TRUE/FALSE
static BOOL
verify_certificate(gnutls_session session, const char **error)
{
-int rc;
+int rc = -1;
uschar *dn_string = US"";
const gnutls_datum *cert;
unsigned int verify, cert_size = 0;