Fix epsilon not declared in color_space.inl #1233

glm/gtx/color_space.inl

@@ -1,6 +1,7 @@
 /// @ref gtx_color_space
 
 #include <glm/ext/scalar_relational.hpp>
+#include <glm/ext/scalar_constants.hpp>
 
 namespace glm
 {

test/gtx/gtx_color_space.cpp

@@ -1,5 +1,4 @@
 #include <glm/ext/vector_relational.hpp>
-#include <glm/ext/scalar_constants.hpp>
 
 #define GLM_ENABLE_EXPERIMENTAL
 #include <glm/gtx/color_space.hpp>