Fix PR bootstrap/42798.

libiberty/:
        PR bootstrap/42798
        * configure.ac: Check for declaration of 'basename(char *)'.
        * configure: Regenerate.

libcpp/:
        PR bootstrap/42798
        * configure.ac: Check for declaration of 'basename(char *)'.
        * configure: Regenerate.
        * config.in: Regenerate.

libjava/:
        * configure: Regenerate.

libjava/classpath/:
        * configure: Regenerate.

fixincludes/:
        PR bootstrap/42798
        * configure.ac: Check for declaration of 'basename(char *)'.
        * configure: Regenerate.

From-SVN: r160211