fs: revise NcaFileSystemDriver for latest semantics

libraries/libstratosphere/source/fssystem/fssystem_nca_header.cpp

@@ -20,6 +20,7 @@ namespace ams::fssystem {
     u8 NcaHeader::GetProperKeyGeneration() const {
         return std::max(this->key_generation, this->key_generation_2);
     }
+
     bool NcaPatchInfo::HasIndirectTable() const {
         return this->indirect_size != 0;
     }