Removed unused variables prev and next.

index b530597..0d51cb2 100755
@@ -878,7 +878,7 @@ sub patch_update_file {
 	$ix = 0;
 
 	while (1) {
-		my ($prev, $next, $commands, $undecided, $i);
+		my ($commands, $undecided, $i);
 		$commands = 'ynad';
 
 		if ($num <= $ix) {

@@ -886,7 +886,6 @@ sub patch_update_file {
 		}
 		for ($i = 0; $i < $ix; $i++) {
 			if (!defined $hunk[$i]{USE}) {
-				$prev = 1;
 				$commands .= 'k';
 				last;
 			}

@@ -896,7 +895,6 @@ sub patch_update_file {
 		}
 		for ($i = $ix + 1; $i < $num; $i++) {
 			if (!defined $hunk[$i]{USE}) {
-				$next = 1;
 				$commands .= 'j';
 				last;
 			}