Fix some jslint warnings

apps/files/js/fileactions.js

@@ -1,4 +1,4 @@
-FileActions={
+var FileActions={
 	actions:{},
 	defaults:{},
 	icons:{},
@@ -20,20 +20,20 @@ FileActions={
 	get:function(mime,type,permissions){
 		var actions={};
 		if(FileActions.actions.all){
-			actions=$.extend( actions, FileActions.actions.all )
+			actions=$.extend( actions, FileActions.actions.all );
 		}
 		if(mime){
 			if(FileActions.actions[mime]){
-				actions=$.extend( actions, FileActions.actions[mime] )
+				actions=$.extend( actions, FileActions.actions[mime] );
 			}
 			var mimePart=mime.substr(0,mime.indexOf('/'));
 			if(FileActions.actions[mimePart]){
-				actions=$.extend( actions, FileActions.actions[mimePart] )
+				actions=$.extend( actions, FileActions.actions[mimePart] );
 			}
 		}
 		if(type){//type is 'dir' or 'file'
 			if(FileActions.actions[type]){
-				actions=$.extend( actions, FileActions.actions[type] )
+				actions=$.extend( actions, FileActions.actions[type] );
 			}
 		}
 		var filteredActions = {};

apps/files/js/filelist.js

@@ -1,4 +1,4 @@
-FileList={
+var FileList={
 	useUndo:true,
 	update:function(fileListHtml) {
 		$('#fileList').empty().html(fileListHtml);
@@ -14,7 +14,7 @@ FileList={
 			var extension=false;
 		}
 		html+='<td class="filename" style="background-image:url('+img+')"><input type="checkbox" />';
-		html+='<a class="name" href="download.php?file='+$('#dir').val().replace(/</, '&lt;').replace(/>/, '&gt;')+'/'+name+'"><span class="nametext">'+basename
+		html+='<a class="name" href="download.php?file='+$('#dir').val().replace(/</, '&lt;').replace(/>/, '&gt;')+'/'+name+'"><span class="nametext">'+basename;
 		if(extension){
 			html+='<span class="extension">'+extension+'</span>';
 		}

core/js/js.js

@@ -4,6 +4,8 @@
  * @param text the string to translate
  * @return string
  */
+var OC;
+
 function t(app,text){
 	if( !( app in t.cache )){
 		$.ajax(OC.filePath('core','ajax','translations.php'),{