gcc -Wall cleanups. Mainly adding prototypes and

gcc -Wall cleanups. Mainly adding prototypes and
making sure that functions have return types declared.

	* ss_internal.h: Add ss_pager_create prototype.

	* ss.h: Add ss_list_requests prototype.

	* request_tbl.c (ss_add_request_table, ss_delete_request_table):
        Declare function types as void.

	* prompt.c (ss_set_prompt): Declare function as void.

	* listen.c (ss_quit): Int function should return a value.

	* list_rqs.c (ss_list_requests): Fix arguments to match proper
        prototype for a ss type handler.

	* execute_cmd.c (ss_execute_command): Declare as returning int

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@10504 dc483132-0cff-0310-8789-dd5450dbe970