Only attempt to close our peakfile '_fd' if we have a valid handle

(yesterday's fix was needed in a 2nd place)

diff --git a/libs/ardour/audiosource.cc b/libs/ardour/audiosource.cc
index cc91ee9ba205076ea106c75f2f082e9c2bc4cdc3..f543c3ee082fb7d1d21653923a6e889e68dbfb81 100644 (file)
--- a/libs/ardour/audiosource.cc
+++ b/libs/ardour/audiosource.cc
@@ -322,7 +322,7 @@ AudioSource::read_peaks (PeakData *peaks, framecnt_t npeaks, framepos_t start, f
 
 struct ScopedFileDescriptor {
        ScopedFileDescriptor (int fd) : _fd (fd) {}
-       ~ScopedFileDescriptor() { close (_fd); }
+       ~ScopedFileDescriptor() { if ((-1) != _fd) close (_fd); }
        operator int() { return _fd; }
        int _fd;
 };