[multiple] add some missing config cleanup

(thx stbuehler)

src/mod_accesslog.c

@@ -441,6 +441,7 @@ static void mod_accesslog_free_accesslog(accesslog_st * const x, plugin_data *p)
         close(x->log_access_fd);
     }
     free(x->access_logbuffer.ptr);
+    free(x);
 }
 
 static void mod_accesslog_free_format_fields(format_fields * const ff) {

src/mod_mbedtls.c

@@ -450,6 +450,7 @@ mod_mbedtls_free_config (server *srv, plugin_data * const p)
                     plugin_cert *pc = cpv->v.v;
                     mbedtls_pk_free(&pc->ssl_pemfile_pkey);
                     mbedtls_x509_crt_free(&pc->ssl_pemfile_x509);
+                    free(pc);
                 }
                 break;
               case 2: /* ssl.ca-file */

src/mod_openssl.c

@@ -597,6 +597,7 @@ mod_openssl_free_config (server *srv, plugin_data * const p)
                     X509_free(pc->ssl_pemfile_x509);
                     sk_X509_pop_free(pc->ssl_pemfile_chain, X509_free);
                     buffer_free(pc->ssl_stapling);
+                    free(pc);
                 }
                 break;
               case 2: /* ssl.ca-file */

src/mod_wolfssl.c

@@ -552,6 +552,7 @@ mod_openssl_free_config (server *srv, plugin_data * const p)
                     /*buffer_free(pc->ssl_pemfile_x509);*//*(part of chain)*/
                     mod_wolfssl_free_der_certs(pc->ssl_pemfile_chain);
                     buffer_free(pc->ssl_stapling);
+                    free(pc);
                 }
                 break;
               case 2: /* ssl.ca-file */