Merge GLM 0.9.8

glm/detail/func_integer_simd.inl

@@ -54,12 +54,14 @@ namespace detail
 		return _mm_popcnt_u32(x);
 	}
 
+#	if(GLM_MODEL == GLM_MODEL_64)
 	template <>
 	GLM_FUNC_QUALIFIER int bitCount(uint64 x)
 	{
 		return static_cast<int>(_mm_popcnt_u64(x));
 	}
-#	endif
+#	endif//GLM_MODEL
+#	endif//GLM_ARCH
 
 }//namespace glm