Fix audio analysis after recent breakage.

[dcpomatic.git] / src / lib / audio_mapping.cc

diff --git a/src/lib/audio_mapping.cc b/src/lib/audio_mapping.cc
index fc3909a8aa0ab5240dd7d17b968bf102e2783d70..ca175912b31c0b7969933622d2b49751b0b2bece 100644 (file)
--- a/src/lib/audio_mapping.cc
+++ b/src/lib/audio_mapping.cc
@@ -31,6 +31,7 @@ using std::pair;
 using std::string;
 using std::min;
 using std::vector;
+using std::abs;
 using boost::shared_ptr;
 using boost::dynamic_pointer_cast;