psqlodbc - psqlodbc: Remove a compilation error and some compiler

Log Message:
-----------
Remove a compilation error and some compiler warnings under unixdODBC
2.3 environment.

Modified Files:
--------------
psqlodbc:
misc.c (r1.55 -> r1.56)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/misc.c?r1=1.55&r2=1.56)
misc.h (r1.49 -> r1.50)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/misc.h?r1=1.49&r2=1.50)
odbcapi.c (r1.41 -> r1.42)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/odbcapi.c?r1=1.41&r2=1.42)
odbcapi30.c (r1.46 -> r1.47)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/odbcapi30.c?r1=1.46&r2=1.47)
version.h (r1.164 -> r1.165)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h?r1=1.164&r2=1.165)