Review comments

FEXHeaderUtils/FEXHeaderUtils/Filesystem.h

@@ -203,13 +203,10 @@ namespace FHU::Filesystem {
   /**
    * @brief Renames a file and overwrites if it already exists.
    *
-   * @param From
-   * @param To
-   *
-   * @return True if the rename occured, False otherwise.
+   * @return No error on rename.
    */
-  inline bool RenameFile(const fextl::string &From, const fextl::string &To) {
-    return rename(From.c_str(), To.c_str()) == 0;
+  [[nodiscard]] inline std::error_code RenameFile(const fextl::string &From, const fextl::string &To) {
+    return rename(From.c_str(), To.c_str()) == 0 ? std::error_code{} : std::make_error_code(std::errc::io_error);
   }
 
   inline fextl::string LexicallyNormal(const fextl::string &Path) {