[PATCH] Drop double-semicolon in C

[Junio C Hamano <gitster@pobox.com>]

The worst offenders are "continue;;" and "break;;" in switch statements.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

 * I think this is very trivial.  You can use

   $ git grep -n -e ';;' --and --not -e 'for *(.*;;' -- '*.c'

   to verify I caught all the bad ones.

 fast-import.c |    2 +-
 rerere.c      |    2 +-
 tree.c        |    2 +-
 walker.c      |    2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fast-import.c b/fast-import.c
index 03b13e0..3ef3413 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -869,7 +869,7 @@ static char *create_index(void)
 	/* Generate the fan-out array. */
 	c = idx;
 	for (i = 0; i < 256; i++) {
-		struct object_entry **next = c;;
+		struct object_entry **next = c;
 		while (next < last) {
 			if ((*next)->sha1[0] != i)
 				break;
diff --git a/rerere.c b/rerere.c
index 718fb52..3518207 100644
--- a/rerere.c
+++ b/rerere.c
@@ -290,7 +290,7 @@ static int do_plain_rerere(struct string_list *rr, int fd)
 			hex = xstrdup(sha1_to_hex(sha1));
 			string_list_insert(path, rr)->util = hex;
 			if (mkdir(git_path("rr-cache/%s", hex), 0755))
-				continue;;
+				continue;
 			handle_file(path, NULL, rr_path(hex, "preimage"));
 			fprintf(stderr, "Recorded preimage for '%s'\n", path);
 		}
diff --git a/tree.c b/tree.c
index dfe4d5f..25d2e29 100644
--- a/tree.c
+++ b/tree.c
@@ -110,7 +110,7 @@ int read_tree_recursive(struct tree *tree,
 		case 0:
 			continue;
 		case READ_TREE_RECURSIVE:
-			break;;
+			break;
 		default:
 			return -1;
 		}
diff --git a/walker.c b/walker.c
index 679adab..e57630e 100644
--- a/walker.c
+++ b/walker.c
@@ -18,7 +18,7 @@ void walker_say(struct walker *walker, const char *fmt, const char *hex)
 static void report_missing(const struct object *obj)
 {
 	char missing_hex[41];
-	strcpy(missing_hex, sha1_to_hex(obj->sha1));;
+	strcpy(missing_hex, sha1_to_hex(obj->sha1));
 	fprintf(stderr, "Cannot obtain needed %s %s\n",
 		obj->type ? typename(obj->type): "object", missing_hex);
 	if (!is_null_sha1(current_commit_sha1))
-- 
1.6.2.rc0.36.g8307