Output path of plist being updated.

Scripts/build-version.pl

@@ -96,6 +96,8 @@ sub _save_plist
	close($plist);
}

printf("Updating Info.plist file at path $plist_path\n");

my $version = _get_revision_number();
my $version_long_hash = _get_revision_long_hash();
my $version_short_hash = _get_revision_short_hash();