Count duplicate login attempts seperately.

src/sbbs3/ctrl/LoginAttemptsFormUnit.cpp

src/sbbs3/ctrl/LoginAttemptsFormUnit.dfm

src/sbbs3/ftpsrvr.c

src/sbbs3/mailsrvr.c

src/sbbs3/sbbscon.c

src/sbbs3/services.c

src/sbbs3/userdat.c

src/sbbs3/userdat.h