win32: use relative path to install source
Remove hard-coded path to the source repo to be packaged.
--- a/contrib/win32/mercurial.iss Fri Dec 07 18:19:01 2007 -0600
+++ b/contrib/win32/mercurial.iss Fri Dec 07 18:19:16 2007 -0600
@@ -16,7 +16,7 @@
AppContact=mercurial@selenic.com
OutputBaseFilename=Mercurial-snapshot
DefaultDirName={pf}\Mercurial
-SourceDir=C:\hg\hg-release
+SourceDir=..\..
VersionInfoDescription=Mercurial distributed SCM
VersionInfoCopyright=Copyright 2005-2007 Matt Mackall and others
VersionInfoCompany=Matt Mackall and others