Make help command work

If you type 'help' on ncftp's shell you will get the following
message:

"""
ncftp: cmds.c:1382: HelpCmd: Assertion `gNumCommands < (sizeof(cmdnames) / sizeof(char *))' failed.
Aborted (core dumped)
"""

The assertion on that line seems a leftover because gNumCommands is always
65, it doesn't depend on the amount of arguments in the command-line.

By removing the assertion the help command works as expected. :)

-- Luiz Capitulino
Index: ncftp-3.2.3/ncftp/cmds.c
--- ncftp-3.2.3/ncftp/cmds.c.help	2010-01-01 20:10:52.000000000 +0100
+++ ncftp-3.2.3/ncftp/cmds.c	2010-01-01 20:10:52.000000000 +0100
@@ -1379,7 +1379,6 @@
 	const char *cmdnames[80];
 
 	ARGSUSED(gUnusedArg);
-	assert(gNumCommands < (sizeof(cmdnames) / sizeof(char *)));
 	if (argc == 2) {
 		showall = (strcmp(argv[1], "showall") == 0);
 		helpall = (strcmp(argv[1], "helpall") == 0);