Bug 1202600 - Add Fukushima to the en-US dictionary. r=ehsan

--HG--
extra : transplant_source : H%06%F8T%A5%93%3AV%CAy%E2E%B1%23%B4%5B%9B%A2M%C7

extensions/spellcheck/locales/en-US/hunspell/en-US.dic

@@ -1,4 +1,4 @@
-54850
+54851
 0/nm
 0th/pt
 1/n1
@@ -5751,6 +5751,7 @@ Fujitsu/M
 Fujiwara/M
 Fujiyama/M
 Fukuoka/M
+Fukushima/M
 Fukuyama/M
 Fulani/M
 Fulbright/M