Make sure that the input string doesn't go out of scope when using boost::tokenizer

diff --git a/libs/pbd/debug.cc b/libs/pbd/debug.cc
index fba457c83eeb256012b2b2f36dfae97a406c8861..f967061c25ded61485f813c6abe2df09c79c4211 100644 (file)
--- a/libs/pbd/debug.cc
+++ b/libs/pbd/debug.cc
@@ -78,9 +78,10 @@ PBD::set_debug_bits (uint64_t bits)
 int
 PBD::parse_debug_options (const char* str)
 {
+       string in_str = str;
        typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
        boost::char_separator<char> sep (",");
-       tokenizer tokens (string(str), sep);
+       tokenizer tokens (in_str, sep);
        uint64_t bits = 0;
 
        for (tokenizer::iterator tok_iter = tokens.begin(); tok_iter != tokens.end(); ++tok_iter) {