change length in test case as we already change read buffer from 20 to 1024 in
https://github.com/jwbargsten/perl-proc-processtable/commit/7a44974b702c836db639b78f4ff5967ff2d61b92
	renamed:    t/bugfix-51470_cmndline_mod20_error.t -> t/bugfix-51470_cmndline_mod_error.t
	modified:   t/bugfix-51470_cmndline_mod_error.t