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-rw-r--r--src/emu/fileio.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/emu/fileio.cpp b/src/emu/fileio.cpp
index 8c982d03f19..0de5e021800 100644
--- a/src/emu/fileio.cpp
+++ b/src/emu/fileio.cpp
@@ -219,8 +219,7 @@ emu_file::operator core_file &()
hash_collection &emu_file::hashes(const char *types)
{
// determine the hashes we already have
- std::string already_have;
- m_hashes.hash_types(already_have);
+ std::string already_have = m_hashes.hash_types();
// determine which hashes we need
std::string needed;