Fix missing include

sshow-0.8-Page.diff (text/plain), 262 bytes, created by Mark Gilbert on 2003-09-21 15:02:03 UTC

--- Page.cpp.old	2003-09-21 17:49:24.000000000 -0400
+++ Page.cpp	2003-09-21 17:40:48.000000000 -0400
@@ -29,6 +29,7 @@
 #include "Macros.h"
 #include "Presentation.h"
 #include <iostream>
+#include <assert.h>
 
 using namespace std;
 using namespace slideshow;