mac help cards

two mac issues:
1) windows position not saved, position not got, win manager issue?
2) freeCache not found from custom cursor channel

src/flutter.rs

@@ -40,7 +40,7 @@ pub extern "C" fn rustdesk_core_main() -> bool {
 
 #[cfg(windows)]
 #[no_mangle]
-pub extern "C" fn rustdesk_core_main(args_len: *mut c_int) -> *mut *mut c_char {
+pub extern "C" fn rustdesk_core_main_args(args_len: *mut c_int) -> *mut *mut c_char {
     unsafe { std::ptr::write(args_len, 0) };
     #[cfg(not(any(target_os = "android", target_os = "ios")))]
     {

src/flutter_ffi.rs

@@ -483,6 +483,10 @@ pub fn main_get_option(key: String) -> String {
     get_option(key)
 }
 
+pub fn main_get_error() -> String {
+    get_error()
+}
+
 pub fn main_set_option(key: String, value: String) {
     if key.eq("custom-rendezvous-server") {
         set_option(key, value);

src/lang.rs

@@ -110,7 +110,7 @@ pub fn translate_locale(name: String, locale: &str) -> String {
         "fa" => fa::T.deref(),
         "ca" => ca::T.deref(),
         "gr" => gr::T.deref(),
-        "gr" => sv::T.deref(),
+        "sv" => sv::T.deref(),
         _ => en::T.deref(),
     };
     if let Some(v) = m.get(&name as &str) {