Snippets for freeipmi 1.6.19 from Alpine armv7

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armv7/community/freeipmi/freeipmi-1.6.19-r0.log.

• fi_hostlist.c:102:46: warning: comparison between pointer and zero character constant [-Wpointer-compare]
    102 |   while (**str != '\0' && strchr(sep, **str) != '\0')
        |                                              ^~
  

• fi_hostlist.c:118:48: warning: comparison between pointer and zero character constant [-Wpointer-compare]
    118 |     while (**str != '\0' && strchr(sep, **str) == '\0')
        |                                                ^~
  

• fi_hostlist.c:123:46: warning: comparison between pointer and zero character constant [-Wpointer-compare]
    123 |   while (**str != '\0' && strchr(sep, **str) != '\0')
        |                                              ^~
  

• hostlist.c:392:48: warning: comparison between pointer and zero character constant [-Wpointer-compare]
    392 |     while (**str != '\0' && strchr(sep, **str) != '\0')
        |                                                ^~
  

• hostlist.c:408:52: warning: comparison between pointer and zero character constant [-Wpointer-compare]
    408 |         while (**str != '\0' && strchr(sep, **str) == '\0')
        |                                                    ^~
  

• hostlist.c:413:48: warning: comparison between pointer and zero character constant [-Wpointer-compare]
    413 |     while (**str != '\0' && strchr(sep, **str) != '\0')
        |                                                ^~
  

• /usr/include/sys/poll.h:1:2: warning: #warning redirecting incorrect #include <sys/poll.h> to <poll.h> [-Wcpp]
      1 | #warning redirecting incorrect #include <sys/poll.h> to <poll.h>
        |  ^~~~~~~
  

• ipmidetectd.c:620:54: warning: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'time_t' {aka 'long long int'} [-Wformat=]
    620 |       len = snprintf (buf, IPMIDETECTD_BUFLEN, "%s %lu\n", info->hostname, info->last_received.tv_sec);
        |                                                    ~~^                     ~~~~~~~~~~~~~~~~~~~~~~~~~~
        |                                                      |                                        |
        |                                                      long unsigned int                        time_t {aka long long int}
        |                                                    %llu