Old Purify Problems (problems are now marked in code with "PURIFY")

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Summary of unresolved memory problems with xlockmore-4.03
cartoon - Possible 29756 byte memory leak from XPutImage
swirl - Possible 256 byte memory leak from XPutImage
life - Possible 132 byte memory leak from XPutImage
resource.c - 1 byte memory leak
There are also some unitialized memory reads that appear to be internal to X11.
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SOLVED since xlockmore-4.02
memory leaks:               galaxy.c, life3d.c

MesaGL 2.3 fixes many cumulative leaks and unitialized memory reads that existed
in MesaGL 2.2.  This affected all GL modes.  MesaGL 2.3 or newer is recommended
since it fixes these memory leaks and runs faster.  Cumulative means that the
memory leaks occur each time the mode is run when in random mode, which is why
after some time it may crash xlock since it runs out of available memory.

Thanks to Tom Schmidt for the solaris and sunos purify logs.
