File install.patch of Package acroread

--- INSTALL.orig	2006-01-06 12:12:07.265563466 -0700
+++ INSTALL	2006-01-06 12:10:24.857950149 -0700
@@ -750,7 +750,7 @@
 
   if [ -z "$ReadInstallDir" ] ; then
     GetInstallDirectory
-    SilentMode="No"
+    SilentMode="Yes"
   else
     ReadInstallDir=`ExpandDirPath "$ReadInstallDir"`
     SilentMode="Yes"