net/py-pcs: mark BROKEN after r470010

pcs/pcap/pcap.c:4802:34: error: expected expression

(void)(Py_BEGIN_ALLOW_THREADS);
                             ^

pcs/pcap/pcap.c:4820:12: error: expected ')'

(void)(Py_END_ALLOW_THREADS);
       ^

/usr/local/include/python2.7/ceval.h:135:60: note: expanded from macro 'Py_END_ALLOW_THREADS'
#define Py_END_ALLOW_THREADS PyEval_RestoreThread(_save); \

^

pcs/pcap/pcap.c:4820:11: note: to match this '('

(void)(Py_END_ALLOW_THREADS);
      ^

pcs/pcap/pcap.c:5866:34: error: expected expression

(void)(Py_BEGIN_ALLOW_THREADS);
                             ^

pcs/pcap/pcap.c:5884:12: error: expected ')'

(void)(Py_END_ALLOW_THREADS);
       ^

PR: 228235
Reported by: pkg-fallout