fixed: commented unknown structure member (gcc4.8.2,f19,x86_64)

test/gtx/gtx_simd_vec4.cpp

@@ -34,7 +34,7 @@ int main()
 
 	glm::simdVec4 GNI(add0);
 
-	printf("%f\n", GNI.Data.m128_f32);
+	printf("%f\n", GNI.Data /* .m128_f32 */);
 
 	return 0;
 }