Constification.

ssl/ssl_conf.c

diff --git a/ssl/ssl_conf.c b/ssl/ssl_conf.c
index 4b08301..4119afa 100644
--- a/ssl/ssl_conf.c
+++ b/ssl/ssl_conf.c
@@ -405,7 +405,7 @@
 #define SSL_CONF_CMD_STRING(name, cmdopt) \
 	SSL_CONF_CMD(name, cmdopt, SSL_CONF_TYPE_STRING)
 
-static ssl_conf_cmd_tbl ssl_conf_cmds[] = {
+static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
 	SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs"),
 	SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs"),
 	SSL_CONF_CMD_STRING(Curves, "curves"),
@@ -445,9 +445,9 @@
 	return 1;
 	}
 
-static ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx, const char *cmd)
+static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx, const char *cmd)
 	{
-	ssl_conf_cmd_tbl *t;
+	const ssl_conf_cmd_tbl *t;
 	size_t i;
 	if (cmd == NULL)
 		return NULL;
@@ -472,7 +472,7 @@
 
 int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
 	{
-	ssl_conf_cmd_tbl *runcmd;
+	const ssl_conf_cmd_tbl *runcmd;
 	if (cmd == NULL)
 		{
 		SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME);
@@ -555,7 +555,7 @@
 	{
 	if (ssl_conf_cmd_skip_prefix(cctx, &cmd))
 		{
-		ssl_conf_cmd_tbl *runcmd;
+		const ssl_conf_cmd_tbl *runcmd;
 		runcmd = ssl_conf_cmd_lookup(cctx, cmd);
 		if (runcmd)
 			return runcmd->value_type;