'dialog' core dump fix [patch for approvement]

[Andrey Chernov]

It fix dialog core dump with recent ghostscript-gpl port (too many items).
Please approve.

--- dialog.h.bak	2000-12-14 20:29:36.000000000 +0300
+++ dialog.h	2007-08-20 00:40:53.000000000 +0400
@@ -74,7 +74,7 @@
 } dialogMenuItem;
 
 #define VERSION "0.4"
-#define MAX_LEN 2048
+#define MAX_LEN 4096
 
 #ifndef TRUE
 #define TRUE (1)

-- 
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