res_pjsip/pjsip_cli: fix compilation error caused by passing ast_free

When wanting to pass *free as a function pointer, ast_free_ptr has to be used
instead of ast_free. This allows it to be compiled with MALLOC_DEBUG enabled.
........

Merged revisions 404531 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@404532 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_pjsip/pjsip_cli.c

@@ -20,6 +20,7 @@
 
 #include <pjsip.h>
 #include <pjsip_ua.h>
+
 #include "asterisk/res_pjsip.h"
 #include "include/res_pjsip_private.h"
 #include "asterisk/res_pjsip_cli.h"
@@ -303,7 +304,7 @@ int ast_sip_initialize_cli(struct ast_sorcery *sorcery)
 
 	if (ast_cli_register_multiple(cli_commands, ARRAY_LEN(cli_commands))) {
 		ast_log(LOG_ERROR, "Failed to register pjsip cli commands.\n");
-		ast_hashtab_destroy(formatter_registry, ast_free);
+		ast_hashtab_destroy(formatter_registry, ast_free_ptr);
 		return -1;
 	}
 	sip_sorcery = sorcery;
@@ -314,6 +315,6 @@ void ast_sip_destroy_cli(void)
 {
 	ast_cli_unregister_multiple(cli_commands, ARRAY_LEN(cli_commands));
 	if (formatter_registry) {
-		ast_hashtab_destroy(formatter_registry, ast_free);
+		ast_hashtab_destroy(formatter_registry, ast_free_ptr);
 	}
 }