Fix error with autocomplete.

Now that CodeMirror is obtained by 'self codeMirror',
self must have correct value, so callback needed .bind call.

src/Helios-Workspace.js

@@ -1885,7 +1885,7 @@ return $core.withContext(function($ctx1) {
 		var codeMirror = self._codeMirror();
 		codeMirror.keyMap.default.fallthrough = ["basic"];
 		codeMirror.commands.autocomplete = function(cm) {
-			codeMirror.showHint(cm, self._hintFor_options_);
+			codeMirror.showHint(cm, self._hintFor_options_.bind(self));
 		}
 	;
 return self;
@@ -1895,7 +1895,7 @@ return self;
 },
 //>>excludeStart("ide", pragmas.excludeIdeData);
 args: [],
-source: "setupCodeMirror\x0a\x09<\x0a\x09\x09var codeMirror = self._codeMirror();\x0a\x09\x09codeMirror.keyMap.default.fallthrough = [\x22basic\x22];\x0a\x09\x09codeMirror.commands.autocomplete = function(cm) {\x0a\x09\x09\x09codeMirror.showHint(cm, self._hintFor_options_);\x0a\x09\x09}\x0a\x09>",
+source: "setupCodeMirror\x0a\x09<\x0a\x09\x09var codeMirror = self._codeMirror();\x0a\x09\x09codeMirror.keyMap.default.fallthrough = [\x22basic\x22];\x0a\x09\x09codeMirror.commands.autocomplete = function(cm) {\x0a\x09\x09\x09codeMirror.showHint(cm, self._hintFor_options_.bind(self));\x0a\x09\x09}\x0a\x09>",
 referencedClasses: [],
 //>>excludeEnd("ide");
 messageSends: []

src/Helios-Workspace.st

@@ -473,7 +473,7 @@ setupCodeMirror
 		var codeMirror = self._codeMirror();
 		codeMirror.keyMap.default.fallthrough = ["basic"];
 		codeMirror.commands.autocomplete = function(cm) {
-			codeMirror.showHint(cm, self._hintFor_options_);
+			codeMirror.showHint(cm, self._hintFor_options_.bind(self));
 		}
 	>
 !