fix constants

Author: dimitre

libs/openFrameworks/utils/ofConstants.h

@@ -428,7 +428,6 @@ typedef TESSindex ofIndexType;
     #if defined(OF_USE_EXPERIMENTAL_FS)
         // C++17 experimental fs support
         #include <experimental/filesystem>
-        
 		namespace std {
 			namespace experimental{
 				namespace filesystem {
@@ -442,12 +441,8 @@ typedef TESSindex ofIndexType;
 		}
     #else
 		#include <filesystem>
-		#if defined(OF_HAS_CPP17)
-			// Regular C++17 fs support
-			namespace filesystem = std::filesystem;
-		#else
+		namespace of {
 			namespace filesystem = std::filesystem;
-		#endif
 		}
     #endif
 #else //not OF_USING_STD_FS