Fix toolbox build issue when using TW_USE_TOOLBOX=true

Change-Id: I643873b495318d4886b9f8cfaf1b75555d3166c3
diff --git a/toolbox/dynarray.h b/toolbox/dynarray.h
index f73fb3b..0ca54fd 100644
--- a/toolbox/dynarray.h
+++ b/toolbox/dynarray.h
@@ -1,6 +1,8 @@
 #ifndef DYNARRAY_H
 #define DYNARRAY_H
 
+// These functions are now found in system/core/toolbox/ls.c
+
 #include <stddef.h>
 
 /* simple dynamic array of pointers */
@@ -77,4 +79,4 @@
 /* sort the strings in a given list (using strcmp) */
 void strlist_sort( strlist_t *list );
 
-#endif /* DYNARRAY_H */
\ No newline at end of file
+#endif /* DYNARRAY_H */