Cleanup: Spelling in intern/ghost directory

Fixes the following misspellings:

"Acquiree" -> "Acquire"
"IUnknownd" -> "IUnknown"
"Therefor" -> "Therefore"

Pull Request: https://projects.blender.org/blender/blender/pulls/163887

intern/ghost/intern/GHOST_ContextVK.cc

@@ -1034,7 +1034,7 @@ GHOST_TSuccess GHOST_ContextVK::swapBufferAcquire()
     recreateSwapchain(use_hdr_swapchain);
   }
 
-  /* Acquiree next image, swapchain can be (or become) invalid when minimizing window. */
+  /* Acquire next image, swapchain can be (or become) invalid when minimizing window. */
   uint32_t image_index = 0;
   if (swapchain_ != VK_NULL_HANDLE) {
     /* Some platforms (NVIDIA/Wayland) can receive an out of date swapchain when acquiring the next

intern/ghost/intern/GHOST_DropTargetWin32.hh

@@ -15,7 +15,7 @@
 
 class GHOST_DropTargetWin32 final : public IDropTarget {
  public:
-  /* IUnknownd implementation.
+  /* IUnknown implementation.
    * Enables clients to get pointers to other interfaces on a given object
    * through the QueryInterface method, and manage the existence of the object
    * through the AddRef and Release methods. All other COM interfaces are

intern/ghost/intern/GHOST_SystemCocoa.mm

@@ -865,7 +865,7 @@ uint32_t GHOST_SystemCocoa::getCursorPreferredLogicalSize() const
    *
    * Take care, for hardware cursors this is already applied on-top of the cursor bitmap,
    * there doesn't seem to be a way to express that the cursor data is pre-scaled.
-   * Therefor, a larger cursor will work but look blurry.
+   * Therefore, a larger cursor will work but look blurry.
    * Only use this for software cursors. */
   const CGFloat default_size = 21.0;