windows: Rename create_map_window to windows_create_map

Change-Id: Ic491b97b0aa775201f6fc709fb0703b3fde4d9b2
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/windows.h b/windows.h
index 22db2ca..711f77f 100644
--- a/windows.h
+++ b/windows.h
@@ -29,7 +29,7 @@
 struct window_context *windows_find_largest(struct mbox_context *context);
 struct window_context *windows_search(struct mbox_context *context,
 				      uint32_t offset, bool exact);
-int create_map_window(struct mbox_context *context,
+int windows_create_map(struct mbox_context *context,
 		      struct window_context **this_window,
 		      uint32_t offset, bool exact);