Add "static" to reserved words to be consistent with "let" etc which are sometimes not reserved in sloppy mode

Author: bathos

ecmascript.sublime-syntax

@@ -40,8 +40,8 @@ variables:
   keywordLanguage: >-
     break | case | catch | class | const | continue | debugger | default |
     delete | do | else | export | extends | finally | for | function | if |
-    import | in | instanceof | let | new | return | super | switch | this |
-    throw | try | typeof | var | void | while | with | yield
+    import | in | instanceof | let | new | return | static | super | switch |
+    this | throw | try | typeof | var | void | while | with | yield
   keywordReserved: >-
     await | enum | implements | interface |
     package | private | protected | public