Fix build.

git-svn-id: svn://localhost/ardour2/branches/3.0@6847 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/audiographer/wscript

@@ -71,6 +71,7 @@ def build(bld):
 	audiographer.export_incdirs = ['.', './src']
 	audiographer.includes       = ['.', './src']
 	audiographer.uselib         = 'GLIB GLIBMM GTHREAD SAMPLERATE SNDFILE'
+	audiographer.uselib_local   = 'libpbd'
 	audiographer.vnum           = AUDIOGRAPHER_LIB_VERSION
 	audiographer.install_path   = os.path.join(bld.env['LIBDIR'], 'ardour3')