rework the en target to only compile the dictionaries twice

Makefile

@@ -46,9 +46,9 @@ espeak-data: espeakedit espeak-data-dir
 
 ##### dictionaries:
 
-en: all dictsource/en_rules dictsource/en_list
+en: dictsource/en_rules dictsource/en_list
 	rm -f dictsource/en_extra
-	make espeak-data
+	make all
 	../cainteoir-engine/tests/dictionary.py ../cainteoir-english/data/reece --exception-dictionary > dictsource/en_extra
 	make espeak-data
 	../cainteoir-engine/tests/dictionary.py ../cainteoir-english/data/reece | grep -F fail