win32: update Inno Setup installer extensions list stable

win32: update Inno Setup installer extensions list

--- a/contrib/win32/mercurial.ini	Sun Jul 29 11:08:45 2012 -0500
+++ b/contrib/win32/mercurial.ini	Sun Jul 29 17:04:51 2012 +0200
@@ -36,7 +36,6 @@
 ;
 [extensions]
 ;acl =
-;alias =
 ;bugzilla =
 ;children =
 ;churn =
@@ -50,7 +49,9 @@
 ;hgcia =
 ;hgk =
 ;highlight = 
+;histedit =
 ;interhg =
+;largefiles =
 ;keyword =
 ;mq =
 ;notify =
@@ -60,6 +61,9 @@
 ;purge =
 ;rebase =
 ;record =
+;relink =
+;schemes =
+;share =
 ;transplant =
 ;win32mbcs =
 ;zeroconf =