make use of my new small utility library

src/utils/File.cpp

@@ -4,8 +4,8 @@
 
 namespace Util {
 std::vector<u8> OpenROM(const std::string &filename, size_t &sizeAdjusted) {
-  auto buf = ReadFileBinary(filename);
-  sizeAdjusted = NextPow2(buf.size());
+  auto buf = ircolib::ReadFileBinary(filename);
+  sizeAdjusted = ircolib::NextPow2(buf.size());
   return buf;
 }
 
@@ -40,7 +40,7 @@ std::vector<u8> OpenArchive(const std::string &path, size_t &sizeAdjusted) {
 
     if (std::ranges::any_of(rom_exts, [&](const auto &x) { return extension == x; })) {
       const auto size = ar_entry_get_size(archive);
-      sizeAdjusted = NextPow2(size);
+      sizeAdjusted = ircolib::NextPow2(size);
       buf.resize(sizeAdjusted);
       ar_entry_uncompress(archive, buf.data(), size);
       break;