ldapmodify shouldn't need argc >= 2

[Jukka Salmi <jukka-openldap@2004.salmi.ch>]

Hi,

clients/tools/ldapmodify.c, line 214 (OpenLDAP 2.2.5), checks if
arguments were passed. If not, usage() is shown and the program
exits.

I think this is not correct. It should be possible to simply call
ldapmodify / ldapadd without arguments and let it read from stdin.


Comments are welcome.

Greetings, Jukka

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