move socket_init to qemu-sockets.c

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/qemu_socket.h b/qemu_socket.h
index 7ee46ac..164ae3e 100644
--- a/qemu_socket.h
+++ b/qemu_socket.h
@@ -56,5 +56,6 @@
 int parse_host_src_port(struct sockaddr_in *haddr,
                         struct sockaddr_in *saddr,
                         const char *str);
+int socket_init(void);
 
 #endif /* QEMU_SOCKET_H */