net: Make inet_strfamily() public

So that it can be used by other subsystems.
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

qemu-sockets.c

@@ -91,7 +91,7 @@ static void inet_setport(struct addrinfo *e, int port)
     }
 }
 
-static const char *inet_strfamily(int family)
+const char *inet_strfamily(int family)
 {
     switch (family) {
     case PF_INET6: return "ipv6";

qemu_socket.h

@@ -44,6 +44,7 @@ int inet_listen(const char *str, char *ostr, int olen,
 int inet_connect_opts(QemuOpts *opts);
 int inet_connect(const char *str, int socktype);
 int inet_dgram_opts(QemuOpts *opts);
+const char *inet_strfamily(int family);
 
 int unix_listen_opts(QemuOpts *opts);
 int unix_listen(const char *path, char *ostr, int olen);