MINOR: sample: support cast from bool to string
Samples could be converted from bool to int and from int to string but
not from bool to string. Let's add this.
diff --git a/src/sample.c b/src/sample.c
index a7d02e5..f5828fa 100644
--- a/src/sample.c
+++ b/src/sample.c
@@ -263,7 +263,7 @@
typedef int (*sample_cast_fct)(struct sample *smp);
static sample_cast_fct sample_casts[SMP_TYPES][SMP_TYPES] = {
/* to: BOOL UINT SINT IPV4 IPV6 STR BIN CSTR CBIN */
-/* from: BOOL */ { c_none, c_none, c_none, NULL, NULL, NULL, NULL, NULL, NULL },
+/* from: BOOL */ { c_none, c_none, c_none, NULL, NULL, c_int2str, NULL, c_int2str, NULL },
/* UINT */ { c_none, c_none, c_none, c_int2ip, NULL, c_int2str, NULL, c_int2str, NULL },
/* SINT */ { c_none, c_none, c_none, c_int2ip, NULL, c_int2str, NULL, c_int2str, NULL },
/* IPV4 */ { NULL, c_ip2int, c_ip2int, c_none, c_ip2ipv6, c_ip2str, NULL, c_ip2str, NULL },