| Index: src/platform/update_engine/delta_performer.h
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| diff --git a/src/platform/update_engine/delta_performer.h b/src/platform/update_engine/delta_performer.h
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| index 1356bae6372270102852fb2e1e9b88165260de31..4a096c2dcf92f62c72e7a1fc97a568d12a290afa 100644
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| --- a/src/platform/update_engine/delta_performer.h
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| +++ b/src/platform/update_engine/delta_performer.h
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| @@ -30,7 +30,7 @@ class DeltaPerformer : public FileWriter {
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|  
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|    // Wrapper around write. Returns bytes written on success or
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|    // -errno on error.
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| -  int Write(const void* bytes, size_t count);
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| +  ssize_t Write(const void* bytes, size_t count);
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|  
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|    // Wrapper around close. Returns 0 on success or -errno on error.
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|    int Close();
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| 
 |