[PATCH 2/2] Applying const to arg for rev_is_head(). Localized a work variable.

[andy@petdance.com]

From: Andy Lester <andy@petdance.com>

---
 builtin-show-branch.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/builtin-show-branch.c b/builtin-show-branch.c
index 828e6f8..549f99a 100644
--- a/builtin-show-branch.c
+++ b/builtin-show-branch.c
@@ -261,7 +261,6 @@ static void show_one_commit(struct commit *commit, int no_name)
 {
 	struct strbuf pretty = STRBUF_INIT;
 	const char *pretty_str = "(unavailable)";
-	struct commit_name *name = commit->util;
 
 	if (commit->object.parsed) {
 		pretty_print_commit(CMIT_FMT_ONELINE, commit,
@@ -272,6 +271,7 @@ static void show_one_commit(struct commit *commit, int no_name)
 		pretty_str += 8;
 
 	if (!no_name) {
+		struct commit_name *name = commit->util;
 		if (name && name->head_name) {
 			printf("[%s", name->head_name);
 			if (name->generation) {
@@ -456,7 +456,7 @@ static void snarf_refs(int head, int remotes)
 	}
 }
 
-static int rev_is_head(char *head, int headlen, char *name,
+static int rev_is_head(const char *head, int headlen, const char *name,
 		       unsigned char *head_sha1, unsigned char *sha1)
 {
 	if ((!head[0]) ||
@@ -548,7 +548,7 @@ static int git_show_branch_config(const char *var, const char *value, void *cb)
 	return git_default_config(var, value, cb);
 }
 
-static int omit_in_dense(struct commit *commit, struct commit **rev, int n)
+static int omit_in_dense(const struct commit *commit, struct commit **rev, int n)
 {
 	/* If the commit is tip of the named branches, do not
 	 * omit it.
-- 
1.6.2.4