added some CAP_ guards so Android compiles

embeddings.cpp

@@ -1389,7 +1389,9 @@ geom3::eSpatialEmbedding embed_by_name(string ss) {
   return seNone;
   }
 
+#if CAP_COMMANDLINE
 auto ah_embed = arg::add2("-seo", [] { arg::shift(); invoke_embed(embed_by_name(arg::args())); })
   + arg::add2("-never-invert", [] { never_invert = true; });
+#endif
 
 }