issue #309 reports a redundant link, patch removes it

[finanalyst]

• the source file 5to6-nutshell contains the heading C<constant> that matches the regex looking for composite files, but this is a false positive as no name is generated
• this patch to the Website/plugins/secondaries verifies .name is non-blank.

[finanalyst]

this is a minor patch, but it took a while to find the problem.

[coke]

thanks!