psqlodbc - psqlodbc: Fix an infinite loop in utf8_to_ucs2().

Log Message:
-----------
Fix an infinite loop in utf8_to_ucs2().

Modified Files:
--------------
psqlodbc:
version.h (r1.136 -> r1.137)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h.diff?r1=1.136&r2=1.137)
win_unicode.c (r1.22 -> r1.23)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/win_unicode.c.diff?r1=1.22&r2=1.23)