[fusl] Update fusl

fusl/src/ldso/dlopen.c

Index: fusl/src/ldso/dlopen.c
diff --git a/fusl/src/ldso/dlopen.c b/fusl/src/ldso/dlopen.c
new file mode 100644
index 0000000000000000000000000000000000000000..dcdb439847d939bfc2c6a2d5a37e3e588876eca3
--- /dev/null
+++ b/fusl/src/ldso/dlopen.c
@@ -0,0 +1,13 @@
+#include <dlfcn.h>
+#include "libc.h"
+
+__attribute__((__visibility__("hidden")))
+void __dl_seterr(const char *, ...);
+
+static void *stub_dlopen(const char *file, int mode)
+{
+	__dl_seterr("Dynamic loading not supported");
+	return 0;
+}
+
+weak_alias(stub_dlopen, dlopen);