Fixing compile issues

Author: PicoCreator

src/main/java/picoded/dstack/mongodb/MongoDB_FileWorkspaceMap.java

@@ -547,7 +547,7 @@ public long backend_createdTimestamp(final String oid, final String filepath) {
 	 */
 	public long backend_modifiedTimestamp(final String oid, final String filepath) {
 		// Lets build the query for the "root file"
-		Bson query = Filters.eq("filename", fullpath);
+		Bson query = Filters.eq("filename", cleanFilePath(filepath));
 
 		// Lets prepare the search
 		GridFSFindIterable search = gridFSBucket.find(query).limit(1);
@@ -556,8 +556,7 @@ public long backend_modifiedTimestamp(final String oid, final String filepath) {
 		try (MongoCursor<GridFSFile> cursor = search.iterator()) {
 			if (cursor.hasNext()) {
 				GridFSFile fileObj = cursor.next();
-				Date uploadDate = fileObj.getUploadDate();
-				return uploadDate.getTime();
+				return fileObj.getUploadDate().getTime();
 			}
 		}