Cleanup: move doc-string to header

intern/ghost/intern/GHOST_WindowWayland.cpp

@@ -1361,9 +1361,6 @@ GHOST_TSuccess GHOST_WindowWayland::notify_size()
  * Functionality only used for the WAYLAND implementation.
  * \{ */
 
-/**
- * Return true when the windows scale or DPI changes.
- */
 bool GHOST_WindowWayland::outputs_changed_update_scale()
 {
 #ifdef USE_EVENT_BACKGROUND_THREAD

intern/ghost/intern/GHOST_WindowWayland.h

@@ -156,6 +156,9 @@ class GHOST_WindowWayland : public GHOST_Window {
   bool outputs_enter(GWL_Output *output);
   bool outputs_leave(GWL_Output *output);
 
+  /**
+   * Return true when the windows scale or DPI changes.
+   */
   bool outputs_changed_update_scale();
 
 #ifdef USE_EVENT_BACKGROUND_THREAD