Allow insertion before semmies

lib/ace/mode/behaviour/cstyle.js

@@ -56,6 +56,7 @@ var CstyleBehaviour = function () {
         // Only insert in front of whitespace/comments
         iterator.stepForward();
         return iterator.getCurrentTokenRow() !== cursor.row ||
+            (iterator.getCurrentToken() && iterator.getCurrentToken().value === ";") ||
             this.$matchTokenType(iterator.getCurrentToken() || "text", ["text", "comment", "paren.rparen"]);
     };