Add a "fork" of musl as //fusl.

fusl/src/locale/freelocale.c

Index: fusl/src/locale/freelocale.c
diff --git a/fusl/src/locale/freelocale.c b/fusl/src/locale/freelocale.c
new file mode 100644
index 0000000000000000000000000000000000000000..c2ae1a318069376823527d79f4b19a9e8974823e
--- /dev/null
+++ b/fusl/src/locale/freelocale.c
@@ -0,0 +1,12 @@
+#include <stdlib.h>
+#include "locale_impl.h"
+#include "libc.h"
+
+int __loc_is_allocated(locale_t);
+
+void freelocale(locale_t l)
+{
+	if (__loc_is_allocated(l)) free(l);
+}
+
+weak_alias(freelocale, __freelocale);