since the module API is changing, it's a good time to const-ify the description() and key() return values

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@18552 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_indications.c

@@ -400,7 +400,7 @@ int reload(void)
 	return ind_load_module();
 }
 
-char *description(void)
+const const char *description(void)
 {
 	/* that the following cast is needed, is yuk! */
 	return (char*)dtext;
@@ -411,7 +411,7 @@ int usecount(void)
 	return 0;
 }
 
-char *key()
+const const char *key()
 {
 	return ASTERISK_GPL_KEY;
 }