Add the appropriate dependencies for test.chap10n.
Add dynext.test.chap10n to TEST_CHAP10.

Adding the test to TEST_CHAP10 also adds it to GRAND_TESTS.
Use GNU indent to indent chap10e.example code.

The file el/c-indent.el was not included in the original source tarball,
so just use GNU indent to indent the code in K&R style.
Change target src/c/chap10ex.c to o/chap10ex.c.

Write the indented file to o/chap10ex.c instead of
src/c/chap10ex.c. This preserves the version of src/c/chap10ex.c that
the author ships with the tarball.

Also, add dependencies on scheme.o and schemelib.o.
Fix the o/chap10ex.E target.

The files perl/preindent.prl and perl/indent-E.prl no longer exist. Just
expand the file with gcc -E and save it in o/chap10ex.E.
Comment out the LISPBookc* targets.

They depended on bigloo/compapp.scm, which wasn't included in the
tarball.
Unveil is not included in meroonet, use show instead.
Comment out test.chap10i.

The Makefile warns that this variant is untested and requires a change
to SCM_invoke in order to work.
Fix for chap10k.bench.

The CPS-ified compiler runs out of stack and causes a SIGSEGV when
trying to generate first 500 primes. Reduce the upper-bound to 300 to
avoid the segfault.
Cleanup target chap10k.example.
Fix the compare.chap10 target.