Fix the uninitialized $path value errors I erroneously introduced on

'cd' without an argument.

FossilOrigin-Name: 03c126c70be71b56220d8ec1d64ef2e199f0ff2a66e9220ad1a8477debc6955e

shelldap

@@ -762,15 +762,15 @@ sub path_to_dn
 	my %flags   = @_;
 	my $curbase = $self->base();
 
+	# support empty 'cd' or 'cd ~' going to root
+	return $conf->{'basedn'} if ! $path || $path eq '~';
+
 	# return current base DN
 	return $curbase if $path eq '.';
 
 	# support 'cd -'
 	return $self->{'previous_base'} if $path eq '-';
 
-	# support empty 'cd' or 'cd ~' going to root
-	return $conf->{'basedn'} if $path eq '~' || ! $path;
-
 	# relative path, upwards
 	#
 	if ( $path =~ /^\.\./o ) {