ci: fix failing conv_test.v on windows

vlib/net/conv/conv.c.v

@@ -1,21 +1,21 @@
 module conv
 
 // host to net 32 (htonl)
-pub fn htn32(host &u32) u32 {
+pub fn htn32(host u32) u32 {
 	return C.htonl(host)
 }
 
 // host to net 16 (htons)
-pub fn htn16(host &u16) u16 {
+pub fn htn16(host u16) u16 {
 	return C.htons(host)
 }
 
 // net to host 32 (ntohl)
-pub fn nth32(host &u32) u32 {
+pub fn nth32(host u32) u32 {
 	return C.ntohl(host)
 }
 
 // net to host 16 (ntohs)
-pub fn nth16(host &u16) u16 {
+pub fn nth16(host u16) u16 {
 	return C.ntohs(host)
 }

vlib/net/conv/conv_default.c.v

@@ -20,7 +20,7 @@ union LongLong {
 }
 
 // host to net 64 (htonll)
-pub fn htn64(host &u64) u64 {
+pub fn htn64(host u64) u64 {
 	mut ll := LongLong{
 		ll: host
 	}
@@ -33,7 +33,7 @@ pub fn htn64(host &u64) u64 {
 }
 
 // net to host 64 (ntohll)
-pub fn nth64(net &u64) u64 {
+pub fn nth64(net u64) u64 {
 	mut ll := LongLong{
 		ll: net
 	}

vlib/net/conv/conv_test.v

@@ -1,6 +1,6 @@
 import net.conv
 
-fn check<T>(f fn (a &T) T, finv fn (b &T) T, x T) {
+fn check<T>(f fn (a T) T, finv fn (b T) T, x T) {
 	a := f(x)
 	b := finv(a)
 	assert b == x

vlib/net/conv/conv_windows.c.v

@@ -2,20 +2,22 @@ module conv
 
 #include <winsock2.h>
 
+#flag -lws2_32
+
 fn C.htonll(host u64) u64
 fn C.htonl(host u32) u32
 fn C.htons(host u16) u16
 
-fn C.ntohll(net u32) u32
+fn C.ntohll(net u64) u64
 fn C.ntohl(net u32) u32
 fn C.ntohs(net u16) u16
 
 // host to net 64 (htonll)
-pub fn htn64(host &u64) u64 {
+pub fn htn64(host u64) u64 {
 	return C.htonll(host)
 }
 
 // net to host 64 (htonll)
-pub fn nth64(host &u64) u64 {
+pub fn nth64(host u64) u64 {
 	return C.ntohll(host)
 }