Correctly report write errors when flushing buffered writer

We cannot just return false without setting an error,
as InternalWrite does not set one itself.

1 files changed, 1 insertions, 1 deletions

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 8c50874dc..fcdaee644 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -1250,7 +1250,7 @@ public:
 	 if (written < 0 && errno == EINTR)
 	    continue;
 	 if (written < 0)
-	    return false;
+	    return wrapped->InternalWriteError();
 
 	 writebuffer.bufferstart += written;
       }