v2.2.28: var-expand.c

var-expand.c:687:17: warning: passing an object that undergoes default argument promotion to 'va_start' has undefined behavior [-Wvarargs]

va_start(args, key2);

^

var-expand.c:674:58: note: parameter of type 'char' is declared here

var_expand_table_build(char key, const char *value, char key2, ...)

^