Fixed the size of the large_handles array.

diff --git a/objects/gdiobj.c b/objects/gdiobj.c
index 868c618..f84ad5f 100644
--- a/objects/gdiobj.c
+++ b/objects/gdiobj.c
@@ -360,7 +360,7 @@
 }
 
 #define FIRST_LARGE_HANDLE 16
-#define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE - FIRST_LARGE_HANDLE) >> 2)
+#define MAX_LARGE_HANDLES ((GDI_HEAP_SIZE >> 2) - FIRST_LARGE_HANDLE)
 static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
 static int next_large_handle;