fix typo in PBD::demangle() for systems without execinfo.h

diff --git a/libs/pbd/stacktrace.cc b/libs/pbd/stacktrace.cc
index b78f0e93388ec3b5bc926b7cc73709d2f964e0a6..021c9b7c04c84685e04515be7ef4bb032bbbc9a3 100644 (file)
--- a/libs/pbd/stacktrace.cc
+++ b/libs/pbd/stacktrace.cc
@@ -99,7 +99,7 @@ PBD::stacktrace (std::ostream& out, int levels)
 std::string 
 PBD::demangle (std::string const & l)
 {
-       return string;
+       return string();
 }
 
 void