cache,tree: move cmp_cache_name_compare from tree.[ch] to read-cache.c

Since cmp_cache_name_compare() was comparing cache_entry structs, it
was associated with the cache rather than with trees.  Move the
function.  As a side effect, we can make cache_name_stage_compare()
static as well.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/cache.h b/cache.h
index 7a46f300d9..502e4c0b11 100644
--- a/cache.h
+++ b/cache.h
@@ -562,7 +562,7 @@ int base_name_compare(const char *name1, size_t len1, int mode1,
 int df_name_compare(const char *name1, size_t len1, int mode1,
 		    const char *name2, size_t len2, int mode2);
 int name_compare(const char *name1, size_t len1, const char *name2, size_t len2);
-int cache_name_stage_compare(const char *name1, int len1, int stage1, const char *name2, int len2, int stage2);
+int cmp_cache_name_compare(const void *a_, const void *b_);
 
 /* add */
 /*