Fix linker errors for runtime.vgetrandom and crypto/internal/sysrand.fatal

src/runtime/rand.go

@@ -0,0 +1,11 @@
+package runtime
+
+import _ "unsafe"
+
+// TODO: Use hardware when available
+//
+//go:linkname vgetrandom
+func vgetrandom(p []byte, flags uint32) (ret int, supported bool) { return 0, false }
+
+//go:linkname fatal crypto/internal/sysrand.fatal
+func fatal(msg string) { runtimePanic(msg) }