Add a new sysctl, kern.elf[32|64].can_exec_dyn. When set to 1, one can execute a ET_DYN binary (shared object). This does not make much sense, but some linux scripts expect to be able to execute /lib/ld-linux.so.2 (ldd comes to mind). The sysctl defaults to 0.
Add a new sysctl, kern.elf[32|64].can_exec_dyn. When set to 1, one can
execute a ET_DYN binary (shared object).
This does not make much sense, but some linux scripts expect to be able to
execute /lib/ld-linux.so.2 (ldd comes to mind).
The sysctl defaults to 0.

MFC after:	3 days

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