Incorrect usage of C++ filesystem for libc++ and libstdc++
https://github.com/ROCm/hipSPARSE/issues/555
--- a/clients/common/utility.cpp
+++ b/clients/common/utility.cpp
@@ -34,16 +34,22 @@
 #define strSUITEcmp(A, B) _stricmp(A, B)
 #endif
 
+#ifdef __has_include
+#if __has_include(<version>)
+#include <version>
+#endif
+#endif
+
 #ifdef __cpp_lib_filesystem
 #include <filesystem>
+
+namespace fs = std::filesystem;
 #else
 #include <experimental/filesystem>
 
-namespace std
-{
-    namespace filesystem = experimental::filesystem;
-}
+namespace fs = std::experimental::filesystem;
 #endif
+
 #if 0
 #ifdef WIN32
 #include <windows.h>
@@ -91,7 +97,7 @@ std::string hipsparse_exepath()
         result.resize(result.size() * 2);
     }
 
-    std::filesystem::path exepath(result.begin(), result.end());
+    fs::path exepath(result.begin(), result.end());
     exepath = exepath.remove_filename();
     exepath += exepath.empty() ? "" : "/";
     return exepath.string();