[PATCH] compat: replace AF_LOCAL with AF_UNIX

There's no AF_LOCAL in POSIX

diff --git a/tag.c b/tag.c
index f079d83..406dba2 100644
--- a/tag.c
+++ b/tag.c
@@ -26,6 +26,10 @@
         char type[20];
         void *data, *bufptr;
         unsigned long size;
+	int typelen, taglen;
+	unsigned char object[20];
+	const char *type_line, *tag_line, *sig_line;
+
         if (item->object.parsed)
                 return 0;
         item->object.parsed = 1;
@@ -37,10 +41,6 @@
                 return error("Object %s not a tag",
                              sha1_to_hex(item->object.sha1));
 
-	int typelen, taglen;
-	unsigned char object[20];
-	const char *type_line, *tag_line, *sig_line;
-
 	if (size < 64)
 		return -1;
 	if (memcmp("object ", data, 7) || get_sha1_hex(data + 7, object))