Ignore trailing kernel module annotation
Ignore trailing kernel module annotation

Before, `find_wildcard_matches` would choke on lines in
available_filter_functions like:

    ehci_disable_ASE [ehci_hcd]

This patch has k[ret]probes ignore the module annotation.

This closes #1036 .

iovisor/bpftrace,iovisor/bpftrace,iovisor/bpftrace,iovisor/bpftrace