CLEANUP: sample: Fix outdated comment about sample casts functions
The cast functions modify their output type as of commit:
b805f71d1bb1487f01f78a6ffab26d44919e9944
v1.5-dev20 is the first tag containing this comment, the fix
should be backported to haproxy 1.5 and newer.
diff --git a/src/sample.c b/src/sample.c
index 644327e..7ac2ec3 100644
--- a/src/sample.c
+++ b/src/sample.c
@@ -496,8 +496,6 @@
/******************************************************************/
/* Sample casts functions */
-/* Note: these functions do *NOT* set the output type on the */
-/* sample, the caller is responsible for doing this on return. */
/******************************************************************/
static int c_ip2int(struct sample *smp)