/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/include/jawt.h is in gcj-4.9-jdk 4.9.3-13ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/include/../../../gcc/x86_64-linux-gnu/4.9/include/jawt.h