Fix depgraph.sh for headers in subdirs
Fix depgraph.sh for headers in subdirs

crystalline/openc2e,crystalline/openc2e,bdonlan/openc2e,crystalline/openc2e,ccdevnet/openc2e,bdonlan/openc2e,ccdevnet/openc2e,bdonlan/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,crystalline/openc2e,ccdevnet/openc2e,crystalline/openc2e,ccdevnet/openc2e,bdonlan/openc2e