Fixed some msvc warnings. Tested on msvc 2015 update 3.

glm/detail/func_integer.inl

@@ -317,6 +317,10 @@ namespace detail
 	template <typename T, glm::precision P, template <typename, glm::precision> class vecType>
 	GLM_FUNC_QUALIFIER vecType<int, P> bitCount(vecType<T, P> const & v)
 	{
+	#ifdef GLM_COMPILER_VC
+	#pragma warning(push)
+	#pragma warning(disable : 4310) //cast truncates constant value
+	#endif
 		vecType<typename detail::make_unsigned<T>::type, P> x(*reinterpret_cast<vecType<typename detail::make_unsigned<T>::type, P> const *>(&v));
 		x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>=  2>::call(x, typename detail::make_unsigned<T>::type(0x5555555555555555ull), typename detail::make_unsigned<T>::type( 1));
 		x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>=  4>::call(x, typename detail::make_unsigned<T>::type(0x3333333333333333ull), typename detail::make_unsigned<T>::type( 2));
@@ -325,6 +329,9 @@ namespace detail
 		x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 32>::call(x, typename detail::make_unsigned<T>::type(0x0000FFFF0000FFFFull), typename detail::make_unsigned<T>::type(16));
 		x = detail::compute_bitfieldBitCountStep<typename detail::make_unsigned<T>::type, P, vecType, detail::is_aligned<P>::value, sizeof(T) * 8>= 64>::call(x, typename detail::make_unsigned<T>::type(0x00000000FFFFFFFFull), typename detail::make_unsigned<T>::type(32));
 		return vecType<int, P>(x);
+	#ifdef GLM_COMPILER_VC
+	#pragma warning(pop)
+	#endif
 	}
 
 	// findLSB

glm/detail/type_vec.hpp

@@ -9,6 +9,10 @@
 namespace glm{
 namespace detail
 {
+#ifdef GLM_COMPILER_VC
+#pragma warning(push)
+#pragma warning(disable : 4324) // structure was padded due to alignment specifier
+#endif
 	template<std::size_t N> struct aligned {};
 	template<> GLM_ALIGNED_STRUCT(1) aligned<1>{};
 	template<> GLM_ALIGNED_STRUCT(2) aligned<2>{};
@@ -17,7 +21,9 @@ namespace detail
 	template<> GLM_ALIGNED_STRUCT(16) aligned<16>{};
 	template<> GLM_ALIGNED_STRUCT(32) aligned<32>{};
 	template<> GLM_ALIGNED_STRUCT(64) aligned<64>{};
-
+#ifdef GLM_COMPILER_VC
+#pragma warning(pop)
+#endif
 	template <typename T, std::size_t size, bool aligned>
 	struct storage
 	{