set_mouse_cursor self set to mut to follow the x11 impl

Author: discordance

src/win/window.rs

@@ -760,7 +760,7 @@ impl Window<'_> {
         }
     }
 
-    pub fn set_mouse_cursor(&self, cursor: MouseCursor) {
+    pub fn set_mouse_cursor(&mut self, cursor: MouseCursor) {
         //@TODO: Implement
     }
 

src/window.rs

@@ -117,7 +117,7 @@ impl<'a> Window<'a> {
     }
 
     /// Set the cursor to the given cursor type
-    pub fn set_mouse_cursor(&self, cursor: MouseCursor) {
+    pub fn set_mouse_cursor(&mut self, cursor: MouseCursor) {
         self.window.set_mouse_cursor(cursor);
     }