Use PBD::to_string() in LV2Plugin instead of string_compose for state_dir

To prevent issues with numeric grouping with formatting used by string_compose
template/stringstream when global C++ locale != "C"

diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 00353fb2432de15f56668ca8b55cad64e2d8ed1c..c48a2a261b27fc7bca76c20008f66fa10e65492d 100644 (file)
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -1264,7 +1264,7 @@ LV2Plugin::file_dir() const
 const std::string
 LV2Plugin::state_dir(unsigned num) const
 {
-       return Glib::build_filename(plugin_dir(), string_compose("state%1", num));
+       return Glib::build_filename(plugin_dir(), string("state") + PBD::to_string (num));
 }
 
 /** Implementation of state:makePath for files created at instantiation time.