Fix example path and don't install with restrictive permissions.

$OpenBSD: patch-custom_Mf-install_in,v 1.1.1.1 2009/04/24 13:13:45 wcmaier Exp $
--- custom/Mf-install.in.orig	Tue Mar 13 12:03:19 2007
+++ custom/Mf-install.in	Wed Feb 11 16:43:12 2009
@@ -24,7 +24,7 @@ InstallBin=${InstallPrefix}/bin
 InstallLib=${InstallPrefix}/lib/csv7.4
 
 # example program directory
-InstallLibLib=${InstallLib}/lib
+InstallLibLib=${InstallPrefix}/share/examples/petite-chez
 
 # base executable and heap file directory
 InstallLibBin=${InstallLib}/$m
@@ -158,7 +158,7 @@ petitebininstall: ${Bin}
           /bin/rm -f ${PetitePath};\
           ln -f ${SchemePath} ${PetitePath};\
         else\
-          $I -m 511 ${Petite} ${PetitePath};\
+          $I -m 555 ${Petite} ${PetitePath};\
         fi
 
 petitemaninstall: petite.1 ${Man}
@@ -196,7 +196,7 @@ schemebininstall: ${Bin}
           /bin/rm -f ${SchemePath};\
           ln -f ${PetitePath} ${SchemePath};\
         else\
-          $I -m 511 ${Scheme} ${SchemePath};\
+          $I -m 555 ${Scheme} ${SchemePath};\
         fi
 
 schememaninstall: scheme.1 ${Man}