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-rw-r--r--libs/ardour/io.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/ardour/io.cc b/libs/ardour/io.cc
index 8f7aac9029..80d5f8c916 100644
--- a/libs/ardour/io.cc
+++ b/libs/ardour/io.cc
@@ -1633,7 +1633,7 @@ IO::find_possible_bundle (const string &desired_name, const string &default_name
// find highest set bit
mask = 1;
- while ((mask <= bundle_number) && (mask <<= 1));
+ while ((mask <= bundle_number) && (mask <<= 1)) {}
// "wrap" bundle number into largest possible power of 2
// that works...