[PATCH] fix unaligned memory write

[Rolf Eike Beer <eike sf-mail de>]

Sparc is extremely picky about unaligned accesses. Use memcpy() to make it 
work reliably. Compilers will usually optimize the memcpy away on 
architectures that support unaligned accesses.

See: https://bugs.gentoo.org/630516
---
--- a/libsoup/soup-websocket-connection.c       2017-11-24 17:55:58.119804106 +0100
+++ b/libsoup/soup-websocket-connection.c       2017-11-24 17:58:35.169798836 
+0100
@@ -395,9 +395,10 @@
         * probably a client somewhere that's not expecting it.
         */
        if (self->pv->connection_type == SOUP_WEBSOCKET_CONNECTION_CLIENT) {
+               guint32 rnd = g_random_int ();
                outer[1] |= 0x80;
                mask = outer + bytes->len;
-               * ((guint32 *)mask) = g_random_int ();
+               memcpy(mask, &rnd, sizeof(rnd));
                bytes->len += 4;
        }

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