Fixed double free.

diff --git a/libfreerdp/core/certificate.c b/libfreerdp/core/certificate.c
index b4ccd23..abb8426 100644 (file)
--- a/libfreerdp/core/certificate.c
+++ b/libfreerdp/core/certificate.c
@@ -698,6 +698,7 @@ rdpRsaKey* key_new(const char* keyfile)
 
        BIO_free(bio);
        free(buffer);
+       buffer = NULL;
 
        if (!rsa)
        {