net-mgmt/icinga2: mark as BROKEN with Boost>=1.87 (+)

Since 1.87 release some long-time-ago deprecated Boost.asio facilities was dropped off

Sponsored by:	Future Crew, LLC

net-mgmt/icinga2/Makefile

@@ -11,6 +11,8 @@ WWW=		https://www.icinga.org/icinga2/
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BROKEN=		fails to build with Boost>=1.87
+
 LIB_DEPENDS=	libboost_system.so:devel/boost-libs
 RUN_DEPENDS=	${LOCALBASE}/bin/bash:shells/bash