Correct the name of 'modules' folder to 'libraries'

src/libraries/kutil/assert.cpp

@@ -0,0 +1,16 @@
+#include "assert.h"
+
+namespace kutil {
+
+assert_callback __kernel_assert_p = nullptr;
+
+assert_callback
+assert_set_callback(assert_callback f)
+{
+	assert_callback old = __kernel_assert_p;
+	__kernel_assert_p = f;
+	return old;
+}
+
+
+} // namespace kutil