Fix issue #773: wrong pronunciation of Hawaiʻi

dictsource/en_rules

@@ -63,6 +63,7 @@
    ϋ   υ
    ΰ   υ
    ώ   ω
+   ʻ   '     // Replace Hawaiian okina to apostrophe FIXME — that should be done globally for all languages
 
 .group a
         a          a

tests/translate.test

@@ -64,6 +64,9 @@ h@l'oU
 aIa#m b'ak
 and l'Eft" "He said : 'Hello, I am back.' and left."
 
+# Hawaiian okina to apostrophe
+test_phonemes en "h@w'aIi:" "Hawaiʻi"
+
 #----- Emoji [http://www.unicode.org/reports/tr51/tr51-12.html] -----
 
 # ED-3 - emoji_character