session-manager: Don't install 'send_osc' test program (which conflicts with a program of the same name in pyliblo)

session-manager/wscript

@@ -90,7 +90,7 @@ src/send_osc.C
               includes     = ['.', 'src', '../nonlib' ],
               uselib = [ 'LIBLO' ],
               use = [ 'nonlib'],
-              install_path = '${BINDIR}')
+              install_path = None )
 
 
     start_dir = bld.path.find_dir( 'icons/hicolor' )