[Bug] Build failure on macOS: `mod.c: error: invalid use of undefined type 'struct next'`

[barracuda156]

Describe the bug
Build fails:

In file included from /usr/include/net/if_var.h:71,
                 from /usr/include/net/if.h:100,
                 from ../../src/common/sendpacket.h:30,
                 from ../../src/common.h:42,
                 from mod.c:14:
mod.c: In function 'mod_close':
mod.c:180:5: error: invalid use of undefined type 'struct next'
  180 |     TAILQ_FOREACH_REVERSE(rule, &rules, next, head)
      |     ^~~~~~~~~~~~~~~~~~~~~
compilation terminated due to -Wfatal-errors.
make[3]: *** [libfragroute_a-mod.o] Error 1
make[3]: *** Waiting for unfinished jobs....

To Reproduce
Steps to reproduce the behavior:

1. Run the build.

Expected behavior
It should compile successfully.

System (please complete the following information):

• OS: macOS
• OS version: 10.6.8
• Tcpreplay Version: 4.5.2

Additional context
Fails both with Xcode gcc and gcc-14.

[barracuda156]

With Xcode gcc:

In file included from /usr/include/net/if_var.h:71,
                 from /usr/include/net/if.h:100,
                 from ../../src/common/sendpacket.h:30,
                 from ../../src/common.h:42,
                 from fragroute.c:12:
/usr/include/sys/queue.h:655:1: warning: this is the location of the previous definition
  CC       libfragroute_a-mod.o
  CC       libfragroute_a-pkt.o
mod.c: In function ‘mod_close’:
mod.c:180: error: dereferencing pointer to incomplete type
compilation terminated due to -Wfatal-errors.
{standard input}:5:FATAL:.abort  detected.  Assembly stopping.
make[3]: *** [libfragroute_a-mod.o] Error 1