TCP input: fix FreeBSD build

#107

Author: sedmicha

src/plugins/input/tcp/src/Epoll.cpp

@@ -15,6 +15,8 @@
 #include <string>    // string
 
 #include <sys/epoll.h> // epoll_event, epoll_create, EPOLLIN, EPOLL_CT_ADD, epoll_ctl, EPOLL_CTL_DEL
+#undef close           // fix FreeBSD build: (tcp_in::Connection has own close(),
+                       // but preprocesor changes it for epoll_shim_close())
 
 #include <ipfixcol2.h> // ipx_strerror