Replace spaces by tabs

glm/core/_swizzle.hpp

@@ -106,6 +106,7 @@ namespace detail
     struct _swizzle_base2 : public _swizzle_base1<ValueType,VecType,E0,E1,E2,E3,N>
     {
 		typedef VecType vec_type;
+		typedef ValueType value_type;
 
 		_swizzle_base2& operator= (const ValueType& t)
 		{
@@ -178,8 +179,6 @@ namespace detail
 			for (int i = 0; i < N; ++i)
 				op( (*this)[i], t[i] );
 		}
-
-
     };
 
 	//! Specialization for swizzles containing duplicate elements.  These cannot be modified.
@@ -834,7 +833,6 @@ namespace glm
 	struct { glm::detail::swizzle<4,T,P,3,3,3,2> E3 ## E3 ## E3 ## E2; }; \
 	struct { glm::detail::swizzle<4,T,P,3,3,3,3> E3 ## E3 ## E3 ## E3; }; 
 
-
 #if(defined(GLM_SWIZZLE_XYZW) || defined(GLM_SWIZZLE))
 
 #define xx swizzle(glm::X, glm::X)