plscheme - plscheme: Rename plscheme-shared to pl-shared for naming

Log Message:
-----------
Rename plscheme-shared to pl-shared for naming conventions. (And a small
typo fix.)

Modified Files:
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plscheme:
plscheme.c (r1.23 -> r1.24)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plscheme/plscheme/plscheme.c.diff?r1=1.23&r2=1.24)