psqlodbc - psqlodbc: Improve the dalay load import behavior in case of

Log Message:
-----------
Improve the dalay load import behavior in case of library load failure.

Tags:
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REL-07_03_ENHANCED

Modified Files:
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psqlodbc:
connection.c (r1.87.2.6 -> r1.87.2.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/connection.c.diff?r1=1.87.2.6&r2=1.87.2.7)
dlg_specific.h (r1.38.2.3 -> r1.38.2.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/dlg_specific.h.diff?r1=1.38.2.3&r2=1.38.2.4)
dlg_wingui.c (r1.9.4.4 -> r1.9.4.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/dlg_wingui.c.diff?r1=1.9.4.4&r2=1.9.4.5)
loadlib.c (r1.1.2.3 -> r1.1.2.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/loadlib.c.diff?r1=1.1.2.3&r2=1.1.2.4)
loadlib.h (r1.1.2.3 -> r1.1.2.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/loadlib.h.diff?r1=1.1.2.3&r2=1.1.2.4)
psqlodbc.c (r1.26.4.3 -> r1.26.4.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/psqlodbc.c.diff?r1=1.26.4.3&r2=1.26.4.4)
psqlodbc.h (r1.82.2.6 -> r1.82.2.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/psqlodbc.h.diff?r1=1.82.2.6&r2=1.82.2.7)
socket.c (r1.37.2.7 -> r1.37.2.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/socket.c.diff?r1=1.37.2.7&r2=1.37.2.8)
win32_30w.mak (r1.7.2.7 -> r1.7.2.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/win32_30w.mak.diff?r1=1.7.2.7&r2=1.7.2.8)