Implement RtlGetBaseExponent() routine for getting base(10) exponent of a given floating point value

xtoskrnl/rtl/globals.c

@@ -0,0 +1,13 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/rtl/globals.c
+ * DESCRIPTION:     Kernel runtime library global variables
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.h>
+
+
+/* This is required for floating numbers to keep LLVM happy */
+int _fltused = 0xFEEDBULL;