Fix comment style (//) and add gnutls to automake distcheck

Makefile.am

@@ -3,4 +3,4 @@ SUBDIRS=doc src include tests
 ACLOCAL_AMFLAGS=-I m4
 EXTRA_DIST=autogen.sh CMakeLists.txt
 
-DISTCHECK_CONFIGURE_FLAGS=--with-lua --with-openssl --with-kerberos5 --with-zlib --with-bzip2
+DISTCHECK_CONFIGURE_FLAGS=--with-lua --with-openssl --with-kerberos5 --with-gnutls --with-zlib --with-bzip2

src/main/plugin_core.c

@@ -966,11 +966,11 @@ static liAction* core_respond(liServer *srv, liWorker *wrk, liPlugin* p, liValue
 	rp = g_slice_new(respond_param);
 
 	if (!val) {
-		// respond;
+		/* respond; */
 		rp->status_code = 200;
 		rp->pattern = NULL;
 	} else if (val->type == LI_VALUE_STRING) {
-		// respond "foo";
+		/* respond "foo"; */
 		rp->status_code = 200;
 		rp->pattern = li_pattern_new(srv, val->data.string->str);
 
@@ -980,11 +980,11 @@ static liAction* core_respond(liServer *srv, liWorker *wrk, liPlugin* p, liValue
 			return NULL;
 		}
 	} else if (val->type == LI_VALUE_NUMBER) {
-		// respond 404;
+		/* respond 404; */
 		rp->status_code = val->data.number;
 		rp->pattern = NULL;
 	} else if (val->type == LI_VALUE_LIST && val->data.list->len == 2 && g_array_index(val->data.list, liValue*, 0)->type == LI_VALUE_NUMBER && g_array_index(val->data.list, liValue*, 1)->type == LI_VALUE_STRING) {
-		// respond 200 => "foo";
+		/* respond 200 => "foo"; */
 		rp->status_code = g_array_index(val->data.list, liValue*, 0)->data.number;
 		rp->pattern = li_pattern_new(srv, g_array_index(val->data.list, liValue*, 1)->data.string->str);
 

src/modules/mod_progress.c

@@ -123,7 +123,6 @@ struct mod_progress_job {
 };
 
 /* global data */
-// static mod_progress_data progress_data;
 
 static void progress_timeout_callback(liWaitQueue *wq, gpointer data) {
 	mod_progress_worker_data *wrk_data = data;