Bug 1255327 - Add canonicalization, canonicalizations, canonicalization's, canonicalize, canonicalized, canonicalizing and canonicalizes to the en-US dictionary. r=ehsan

MozReview-Commit-ID: 3BwfyUmIzxJ

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

@@ -1,4 +1,4 @@
-52343
+52345
 0/nm
 0th/pt
 1/n1
@@ -18236,6 +18236,8 @@ canoeist/SM
 canola/M
 canon/MS
 canonical/Y
+canonicalization/MS
+canonicalize/DGS
 canonization/SM
 canonize/DSG
 canoodle/DSG