wscript: don’t install the encoding profiles with encoding disabled

wscript_build.py

@@ -573,7 +573,8 @@ def build(ctx):
             ctx.env.DATADIR + '/applications',
             ['etc/mpv.desktop'] )
 
-        ctx.install_files(ctx.env.CONFDIR, ['etc/encoding-profiles.conf'] )
+        if ctx.dependency_satisfied('encoding'):
+            ctx.install_files(ctx.env.CONFDIR, ['etc/encoding-profiles.conf'] )
 
         for size in '16x16 32x32 64x64'.split():
             ctx.install_as(