Used std features within GLM without redeclaring

glm/detail/setup.hpp

@@ -773,7 +773,7 @@
 
 namespace glm
 {
-	typedef std::size_t size_t;
+	using std::size_t;
 #if defined(GLM_FORCE_SIZE_T_LENGTH) || defined(GLM_FORCE_SIZE_FUNC)
 	typedef size_t length_t;
 #else

readme.txt

@@ -74,6 +74,7 @@ Improvements:
 - Rewrited of GTX_fast_trigonometry #264 #265
 - Made types trivially copyable #263
 - Removed <iostream> in GLM tests
+- Used std features within GLM without redeclaring
 
 Fixes:
 - Fixed std::nextafter not supported with C++11 on Android #217