Back out edit_refresh->edit_update until page up/down problems are fixed

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@147 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

winio.c

@@ -840,7 +840,7 @@ void edit_refresh(void)
 	lines++;
     }
     if (!currentcheck) /* Then current has run off the screen... */
-	edit_update(current);
+/* 	edit_update(current) */ ;
 
     if (lines <= editwinrows - 1)
 	while (lines <= editwinrows - 1) {