cli.c: Properly initialize debug_modules and verbose_modules.

This avoids some lock errors on the core set {debug,verbose} commands.
........

Merged revisions 386049 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@386051 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/cli.c

@@ -93,9 +93,9 @@ struct module_level {
 AST_RWLIST_HEAD(module_level_list, module_level);
 
 /*! list of module names and their debug levels */
-static struct module_level_list debug_modules;
+static struct module_level_list debug_modules = AST_RWLIST_HEAD_INIT_VALUE;
 /*! list of module names and their verbose levels */
-static struct module_level_list verbose_modules;
+static struct module_level_list verbose_modules = AST_RWLIST_HEAD_INIT_VALUE;
 
 AST_THREADSTORAGE(ast_cli_buf);