[cairo] small fix for win32 compilation (due to recent private -> inline changes)

[Dimiter 'malkia' Stanev]

Small fix for win32 compilation:

--- a/src/win32/cairo-win32-display-surface.c
+++ b/src/win32/cairo-win32-display-surface.c
@@ -54,7 +54,7 @@
  #include "cairo-damage-private.h"
  #include "cairo-default-context-private.h"
  #include "cairo-error-private.h"
-#include "cairo-image-surface-private.h"
+#include "cairo-image-surface-inline.h"
  #include "cairo-paginated-private.h"
  #include "cairo-pattern-private.h"
  #include "cairo-win32-private.h"