/usr/include/wireshark/epan/wmem/ is in libwireshark-dev 2.0.2+ga16e22e-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/wireshark/epan/wmem/wmem.h
/usr/include/wireshark/epan/wmem/wmem_allocator.h
/usr/include/wireshark/epan/wmem/wmem_allocator_block.h
/usr/include/wireshark/epan/wmem/wmem_allocator_block_fast.h
/usr/include/wireshark/epan/wmem/wmem_allocator_simple.h
/usr/include/wireshark/epan/wmem/wmem_allocator_strict.h
/usr/include/wireshark/epan/wmem/wmem_array.h
/usr/include/wireshark/epan/wmem/wmem_core.h
/usr/include/wireshark/epan/wmem/wmem_list.h
/usr/include/wireshark/epan/wmem/wmem_map.h
/usr/include/wireshark/epan/wmem/wmem_map_int.h
/usr/include/wireshark/epan/wmem/wmem_miscutl.h
/usr/include/wireshark/epan/wmem/wmem_queue.h
/usr/include/wireshark/epan/wmem/wmem_scopes.h
/usr/include/wireshark/epan/wmem/wmem_stack.h
/usr/include/wireshark/epan/wmem/wmem_strbuf.h
/usr/include/wireshark/epan/wmem/wmem_strutl.h
/usr/include/wireshark/epan/wmem/wmem_tree.h
/usr/include/wireshark/epan/wmem/wmem_user_cb.h
/usr/include/wireshark/epan/wmem/wmem_user_cb_int.h