vshCmddefHelp: Drop empty line at the end

All virsh commands in non-quiet mode append another separator line thus
having two is unnecessary and in quiet mode it still has a trailing
blank line. Remove it.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

tools/vsh.c

@@ -725,7 +725,6 @@ vshCmddefHelp(const vshCmdDef *def)
             fprintf(stdout, "    %-15s  %s\n", optstr, _(opt->help));
         }
     }
-    fputc('\n', stdout);
 
     return true;
 }