Misc sprintf/snprintf cleanup

libraries/liblber/debug.c

libraries/liblber/liblber.dsp

libraries/libldap/init.c

libraries/libldap/schema.c

libraries/liblunicode/ucdata/ucgendat.c

libraries/liblutil/liblutil.dsp

libraries/liblutil/ntservice.c

libraries/liblutil/sasl.c