res_pjproject: Fix cleanup of buildopts vector.

ASTERISK-27306

Change-Id: I3bed0edf3f55b1d4adcbabb25ec14f11dc766c72

res/res_pjproject.c

@@ -544,7 +544,7 @@ static int unload_module(void)
 	pj_log_set_log_func(log_cb_orig);
 	pj_log_set_decor(decor_orig);
 
-	AST_VECTOR_REMOVE_CMP_UNORDERED(&buildopts, NULL, NOT_EQUALS, ast_free);
+	AST_VECTOR_CALLBACK_VOID(&buildopts, ast_free);
 	AST_VECTOR_FREE(&buildopts);
 
 	ast_debug(3, "Stopped PJPROJECT logging to Asterisk logger\n");