EAP-pwd: Remove unnecessary OpenSSL EVP_sha256() registration

This gets registered in tls_openssl.c from tls_init(), so there is no
need for EAP-pwd implementation to register explicitly. This avoids some
corner cases where OpenSSL resources do not get fully freed on exit.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/eap_peer/eap_pwd.c

@@ -952,7 +952,6 @@ int eap_peer_pwd_register(void)
 	struct eap_method *eap;
 	int ret;
 
-	EVP_add_digest(EVP_sha256());
 	eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
 				    EAP_VENDOR_IETF, EAP_TYPE_PWD, "PWD");
 	if (eap == NULL)

src/eap_server/eap_server_pwd.c

@@ -1028,8 +1028,6 @@ int eap_server_pwd_register(void)
 	struct timezone tz;
 	u32 sr;
 
-	EVP_add_digest(EVP_sha256());
-
 	sr = 0xdeaddada;
 	(void) gettimeofday(&tp, &tz);
 	sr ^= (tp.tv_sec ^ tp.tv_usec);