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

fusl/src/locale/strcoll.c

Index: fusl/src/locale/strcoll.c
diff --git a/fusl/src/locale/strcoll.c b/fusl/src/locale/strcoll.c
new file mode 100644
index 0000000000000000000000000000000000000000..84f199ff9527d7728beea01cfbefbe06e61e02ad
--- /dev/null
+++ b/fusl/src/locale/strcoll.c
@@ -0,0 +1,16 @@
+#include <string.h>
+#include <locale.h>
+#include "locale_impl.h"
+#include "libc.h"
+
+int __strcoll_l(const char *l, const char *r, locale_t loc)
+{
+	return strcmp(l, r);
+}
+
+int strcoll(const char *l, const char *r)
+{
+	return __strcoll_l(l, r, CURRENT_LOCALE);
+}
+
+weak_alias(__strcoll_l, strcoll_l);