replace math_graphics with glm version 1.0.3

libs/glm/test/ext/ext_scalar_packing.cpp

@@ -0,0 +1,28 @@
+#include <glm/ext/scalar_packing.hpp>
+#include <glm/ext/scalar_relational.hpp>
+
+int test_packUnorm()
+{
+	int Error = 0;
+
+
+	return Error;
+}
+
+int test_packSnorm()
+{
+	int Error = 0;
+
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_packUnorm();
+	Error += test_packSnorm();
+
+	return Error;
+}