Add bpf_module.h to CMakeLists.txt
Add bpf_module.h to CMakeLists.txt

The C++ API should also be exported, in addition to the C API.
Because type safety is nice.

mkacik/bcc,romain-intel/bcc,mcaleavya/bcc,zaafar/bcc,brendangregg/bcc,romain-intel/bcc,brendangregg/bcc,brendangregg/bcc,romain-intel/bcc,mkacik/bcc,zaafar/bcc,mcaleavya/bcc,tuxology/bcc,shodoco/bcc,zaafar/bcc,tuxology/bcc,shodoco/bcc,romain-intel/bcc,mcaleavya/bcc,shodoco/bcc,romain-intel/bcc,iovisor/bcc,tuxology/bcc,brendangregg/bcc,shodoco/bcc,mcaleavya/bcc,mkacik/bcc,iovisor/bcc,mkacik/bcc,mkacik/bcc,shodoco/bcc,iovisor/bcc,zaafar/bcc,mcaleavya/bcc,brendangregg/bcc,tuxology/bcc,iovisor/bcc,iovisor/bcc,zaafar/bcc,tuxology/bcc