[fusl] Update fusl

fusl/src/ldso/dlinfo.c

Index: fusl/src/ldso/dlinfo.c
diff --git a/fusl/src/ldso/dlinfo.c b/fusl/src/ldso/dlinfo.c
index 63d276d408e34fe667476f43dd41bdf8da0deb4f..a173d1ac63ef1294decefa6b00db9a9bd7f35ce6 100644
--- a/fusl/src/ldso/dlinfo.c
+++ b/fusl/src/ldso/dlinfo.c
@@ -1,9 +1,19 @@
 #define _GNU_SOURCE
 #include <dlfcn.h>
 
-int __dlinfo(void *, int, void *);
+__attribute__((__visibility__("hidden")))
+int __dl_invalid_handle(void *);
+
+__attribute__((__visibility__("hidden")))
+void __dl_seterr(const char *, ...);
 
 int dlinfo(void *dso, int req, void *res)
 {
-	return __dlinfo(dso, req, res);
+	if (__dl_invalid_handle(dso)) return -1;
+	if (req != RTLD_DI_LINKMAP) {
+		__dl_seterr("Unsupported request %d", req);
+		return -1;
+	}
+	*(struct link_map **)res = dso;
+	return 0;
 }