Snippets for haproxy 3.4.7 from Alpine armv7

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armv7/main/haproxy/haproxy-3.4.7-r0.log.

• /usr/include/fortify/sys/socket.h:45:16: warning: argument 2 is null but the corresponding size argument 3 value is 2147483647 [-Wnonnull]
     45 |         return __orig_recv(__f, __s, __n, __fl);
        |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~