windows: Rename find_largest_window to windows_find_largest

Change-Id: Id69c4773e5acb5c840f82b4ed708aa993a804aa7
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/windows.c b/windows.c
index 37fceb1..2313e10 100644
--- a/windows.c
+++ b/windows.c
@@ -468,12 +468,12 @@
 }
 
 /*
- * find_largest_window() - Find the largest window in the window cache
+ * windows_find_largest() - Find the largest window in the window cache
  * @context:	The mbox context pointer
  *
  * Return:	The largest window
  */
-struct window_context *find_largest_window(struct mbox_context *context)
+struct window_context *windows_find_largest(struct mbox_context *context)
 {
 	struct window_context *largest = NULL, *cur;
 	uint32_t max_size = 0;