Fixes bug when nested directories are created; eg: out/pmc_1 (#345)

* Fixes bug when nested directories are created; eg: out/pmc_1

* source formatting (clang-format v11) (#346)

Co-authored-by: bgopesh <bgopesh@users.noreply.github.com>

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: bgopesh <bgopesh@users.noreply.github.com>

[ROCm/rocprofiler-sdk commit: 55918b5c1f]

projects/rocprofiler-sdk/source/lib/rocprofiler-sdk-tool/tool.cpp

@@ -62,7 +62,7 @@ get_output_stream(const std::string& fname, const std::string& ext = ".csv")
         throw std::runtime_error{
             fmt::format("ROCPROFILER_OUTPUT_PATH ({}) already exists and is not a directory",
                         output_path.string())};
-    if(!fs::exists(output_path)) fs::create_directory(output_path);
+    if(!fs::exists(output_path)) fs::create_directories(output_path);
 
     auto  output_file = output_path / (output_file_name + fname + ext);
     auto* _ofs        = new std::ofstream{output_file};