Change RECT to use LONG to match win32 standard headers and fix format
strings to use %ld for RECT elements.

diff --git a/windows/mdi.c b/windows/mdi.c
index afc2daa..c0b6655 100644
--- a/windows/mdi.c
+++ b/windows/mdi.c
@@ -650,7 +650,7 @@
     lpMinMax->ptMaxPosition.x = rect.left;
     lpMinMax->ptMaxPosition.y = rect.top;
 
-    TRACE("max rect (%i,%i - %i, %i)\n",
+    TRACE("max rect (%ld,%ld - %ld, %ld)\n",
                         rect.left,rect.top,rect.right,rect.bottom);
 }