Cast u_short to int & fix nullptr

Author: sjanusz-r7

c/meterpreter/source/extensions/stdapi/server/net/resolve.c

@@ -37,7 +37,7 @@ DWORD resolve_host(const LPCSTR hostname, u_short ai_family, struct addrinfo **o
 	struct addrinfo hints = { 0 };
 	hints.ai_socktype = SOCK_DGRAM;
 	hints.ai_protocol = IPPROTO_UDP;
-	hints.ai_family = ai_family;
+	hints.ai_family = (int)ai_family;
 
 	dprintf("Attempting to resolve '%s'", hostname);
 
@@ -103,7 +103,7 @@ DWORD request_resolve_host(Remote *remote, Packet *packet)
 	u_short ai_family = met_api->packet.get_tlv_value_uint(packet, TLV_TYPE_ADDR_TYPE);
 	DWORD iResult = ERROR_SUCCESS;
 
-	struct addrinfo* result = NULL;
+	struct addrinfo* result;
 	iResult = resolve_host(hostname, ai_family, &result);
 	if (iResult != ERROR_SUCCESS || result == NULL)
 	{