[PATCH v1] ssl_mbedtls: Fix format string in get_ssl_library_version

From: Frank Lichtenheld <[email protected]>

These are unsigned values, so treat them as such.

Identified by cppcheck.

Change-Id: I232fba91cfcca6c35d37696bc86890a366f5967f
Signed-off-by: Frank Lichtenheld <[email protected]>
Acked-by: Arne Schwabe <[email protected]>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1626
---

This change was reviewed on Gerrit and approved by at least one
developer. I request to merge it to master.

Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1626
This mail reflects revision 1 of this Change.

Acked-by according to Gerrit (reflected above):
Arne Schwabe <[email protected]>

        
diff --git a/src/openvpn/ssl_mbedtls.c b/src/openvpn/ssl_mbedtls.c
index a62ff76..85c771a 100644
--- a/src/openvpn/ssl_mbedtls.c
+++ b/src/openvpn/ssl_mbedtls.c
@@ -1572,7 +1572,7 @@
 {
     static char mbedtls_version[30];
     unsigned int pv = mbedtls_version_get_number();
-    snprintf(mbedtls_version, sizeof(mbedtls_version), "mbed TLS %d.%d.%d", (pv >> 24) & 0xff,
+    snprintf(mbedtls_version, sizeof(mbedtls_version), "mbed TLS %u.%u.%u", (pv >> 24) & 0xff,
              (pv >> 16) & 0xff, (pv >> 8) & 0xff);
     return mbedtls_version;
 }