initialize node_type::instances correctly

lib/nodes/cbuilder.c

@@ -124,7 +124,8 @@ static struct plugin p = {
 		.start		= cbuilder_start,
 		.stop		= cbuilder_stop,
 		.read		= cbuilder_read,
-		.write		= cbuilder_write
+		.write		= cbuilder_write,
+		.instances	= LIST_INIT()
 	}
 };
 

lib/nodes/file.c

@@ -349,6 +349,7 @@ static struct plugin p = {
 		.stop		= file_stop,
 		.read		= file_read,
 		.write		= file_write,
+		.instances	= LIST_INIT()
 	}
 };
 

lib/nodes/fpga.c

@@ -308,7 +308,8 @@ static struct plugin p = {
 		.read		= fpga_read,
 		.write		= fpga_write,
 		.init		= fpga_init,
-		.deinit		= fpga_deinit
+		.deinit		= fpga_deinit,
+		.instances	= LIST_INIT()
 	}
 };
 

lib/nodes/ngsi.c

@@ -568,7 +568,8 @@ static struct plugin p = {
 		.read		= ngsi_read,
 		.write		= ngsi_write,
 		.init		= ngsi_init,
-		.deinit		= ngsi_deinit
+		.deinit		= ngsi_deinit,
+		.instances	= LIST_INIT()
 	}
 };
 

lib/nodes/opal.c

@@ -290,7 +290,8 @@ static struct plugin p = {
 		.read		= opal_read,
 		.write		= opal_write,
 		.init		= opal_init,
-		.deinit		= opal_deinit
+		.deinit		= opal_deinit,
+		.instances	= LIST_INIT()
 	}
 };
 

lib/nodes/socket.c

@@ -689,7 +689,8 @@ static struct plugin p = {
 		.read		= socket_read,
 		.write		= socket_write,
 		.init		= socket_init,
-		.deinit		= socket_deinit
+		.deinit		= socket_deinit,
+		.instances	= LIST_INIT()
 	}
 };
 

lib/nodes/websocket.c

@@ -424,7 +424,8 @@ static struct plugin p = {
 		.read		= websocket_read,
 		.write		= websocket_write,
 		.print		= websocket_print,
-		.parse		= websocket_parse
+		.parse		= websocket_parse,
+		.instances	= LIST_INIT()
 	}
 };