Use std::string::operator+() instead of string_compose template in Route class

Using string_compose in this instance doesn't seem necessary, is worse in terms
of readability and is no doubt slower.

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 0c95161e03c4b2b7ba1930c4818e278b4d23ce6d..ec54f83a9a28a7e26d96acac2ff5ca8d2035f1c1 100644 (file)
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -4090,7 +4090,7 @@ Route::set_name_in_state (XMLNode& node, string const & name, bool rename_playli
                } else if ((*i)->name() == X_("Diskstream")) {
 
                        if (rename_playlist) {
-                               (*i)->set_property (X_("playlist"), string_compose ("%1.1", name).c_str());
+                               (*i)->set_property (X_("playlist"), name + ".1");
                        }
                        (*i)->set_property (X_("name"), name);