Add: export XClose main display function

Author: vcaesar

robotgo.go

@@ -457,6 +457,11 @@ func GetXDisplayName() string {
 	return gname
 }
 
+// CloseMainDisplay close the main X11 display
+func CloseMainDisplay() {
+	C.close_main_display()
+}
+
 // Deprecated: use the ScaledF(),
 //
 // ScaleX get the primary display horizontal DPI scale factor, drop

screen/goScreen.h

@@ -79,6 +79,14 @@ char* get_XDisplay_name() {
 	#endif
 }
 
+void close_main_display() {
+	#if defined(USE_X11)
+		XCloseMainDisplay();
+	#else
+		// 
+	#endif
+}
+
 uint32_t get_num_displays() {
 	#if defined(IS_MACOSX)
 		uint32_t count = 0;