Declare cmd_gesture and create an empty body.

include/sway/commands.h

@@ -134,6 +134,7 @@ sway_cmd cmd_force_display_urgency_hint;
 sway_cmd cmd_force_focus_wrapping;
 sway_cmd cmd_fullscreen;
 sway_cmd cmd_gaps;
+sway_cmd cmd_gesture;
 sway_cmd cmd_hide_edge_borders;
 sway_cmd cmd_include;
 sway_cmd cmd_inhibit_idle;

sway/commands.c

@@ -72,6 +72,7 @@ static struct cmd_handler handlers[] = {
 	{ "force_focus_wrapping", cmd_force_focus_wrapping },
 	{ "fullscreen", cmd_fullscreen },
 	{ "gaps", cmd_gaps },
+	{ "gesture", cmd_gesture },
 	{ "hide_edge_borders", cmd_hide_edge_borders },
 	{ "include", cmd_include },
 	{ "input", cmd_input },

sway/commands/gesture.c

@@ -0,0 +1,14 @@
+#define _POSIX_C_SOURCE 200809L
+#include <stdbool.h>
+#include <string.h>
+#include <strings.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/ipc-server.h"
+#include "list.h"
+#include "log.h"
+#include "stringop.h"
+
+struct cmd_results *cmd_gesture(int argc, char **argv) {
+  return NULL;
+}

sway/input/cursor.c

@@ -28,7 +28,7 @@
 #include "sway/tree/view.h"
 #include "sway/tree/workspace.h"
 #include "wlr-layer-shell-unstable-v1-protocol.h"
-#include "libtouch.h"
+#include "<libtouch.h>"
 
 static uint32_t get_current_time_msec(void) {
 	struct timespec now;