Revert "Tighten scope on addr"

This reverts commit 3523ad7.

just leave it hoisted to the top of the function, where it causes
the least amount of problems.

src/lib/util/value.c

@@ -4671,6 +4671,7 @@ ssize_t fr_value_box_from_substr(TALLOC_CTX *ctx, fr_value_box_t *dst,
 	static fr_sbuff_parse_rules_t	default_rules;
 	fr_sbuff_t			*unescaped = NULL;
 	fr_sbuff_t			our_in = FR_SBUFF(in);
+	fr_ipaddr_t			addr;
 	fr_slen_t			slen;
 	char				buffer[256];
 
@@ -4843,9 +4844,6 @@ ssize_t fr_value_box_from_substr(TALLOC_CTX *ctx, fr_value_box_t *dst,
 		FR_SBUFF_SET_RETURN(in, &our_in);
 	}
 
-	{
-	fr_ipaddr_t	addr;
-
 	case FR_TYPE_IPV4_ADDR:
 	{
 		size_t name_len = fr_sbuff_adv_past_allowed(&our_in, fr_sbuff_remaining(&our_in), sbuff_char_class_hostname, rules->terminals);
@@ -4955,7 +4953,6 @@ ssize_t fr_value_box_from_substr(TALLOC_CTX *ctx, fr_value_box_t *dst,
 				  fr_hostname_lookups, true) < 0) return -1;
 	}
 		goto finish;
-	}
 
 	case FR_TYPE_UINT8:
 	case FR_TYPE_UINT16: