Fixed i18n system.

Renamed pbd3 back to pbd, since it's version 4.1 now.
Very minor fixes


git-svn-id: svn://localhost/ardour2/trunk@656 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/gtkmm2ext/SConscript

@@ -9,7 +9,7 @@ Import('env final_prefix install_prefix libraries i18n')
 gtkmm2ext = env.Copy()
 gtkmm2ext.Merge ([ 
     libraries['sigc2'], 
-    libraries['pbd3'],
+    libraries['pbd'],
     libraries['midi++2'],
     libraries['gtk2'],
     libraries['glibmm2'],