[TLS] handle '+' on ssl-conf-cmd "Options"

src/mod_gnutls.c

@@ -1719,6 +1719,8 @@ mod_gnutls_ssl_conf_cmd (server *srv, plugin_config_socket *s)
                     flag = 0;
                     ++v;
                 }
+                else if (*v == '+')
+                    ++v;
                 for (e = v; light_isalpha(*e); ++e) ;
                 switch ((int)(e-v)) {
                   case 11:

src/mod_mbedtls.c

@@ -1385,6 +1385,8 @@ mod_mbedtls_ssl_conf_cmd (server *srv, plugin_config_socket *s)
                     flag = 0;
                     ++v;
                 }
+                else if (*v == '+')
+                    ++v;
                 for (e = v; light_isalpha(*e); ++e) ;
                 switch ((int)(e-v)) {
                   case 11:

src/mod_nss.c

@@ -1572,6 +1572,8 @@ mod_nss_ssl_conf_cmd (server *srv, plugin_config_socket *s)
                     flag = 0;
                     ++v;
                 }
+                else if (*v == '+')
+                    ++v;
                 for (e = v; light_isalpha(*e); ++e) ;
                 switch ((int)(e-v)) {
                   case 11:

src/mod_openssl.c

@@ -3887,6 +3887,8 @@ mod_openssl_ssl_conf_cmd (server *srv, plugin_config_socket *s)
                     flag = 0;
                     ++v;
                 }
+                else if (*v == '+')
+                    ++v;
                 for (e = v; light_isalpha(*e); ++e) ;
                 switch ((int)(e-v)) {
                  #ifdef SSL_OP_ENABLE_KTLS

src/mod_wolfssl.c

@@ -3589,6 +3589,8 @@ mod_openssl_ssl_conf_cmd (server *srv, plugin_config_socket *s)
                     flag = 0;
                     ++v;
                 }
+                else if (*v == '+')
+                    ++v;
                 for (e = v; light_isalpha(*e); ++e) ;
                 switch ((int)(e-v)) {
                   case 11: