fix build

src/stdinc.cpp

@@ -1 +1,24 @@
-#include <stdinc.hpp>
+#include <stdinc.hpp>
+
+extern "C"
+{
+	int s_read_arc4random(void*, size_t)
+	{
+		return -1;
+	}
+
+	int s_read_getrandom(void*, size_t)
+	{
+		return -1;
+	}
+
+	int s_read_urandom(void*, size_t)
+	{
+		return -1;
+	}
+
+	int s_read_ltm_rng(void*, size_t)
+	{
+		return -1;
+	}
+}