Switch to null instead of undefined and fix indentation

src/routes/getSkipSegments.js

@@ -58,8 +58,8 @@ function cleanGetSegments(videoID, categories) {
         return segments;
     } catch (err) {
         if (err) {
-      logger.error('j 2 Query failed');
-      return undefined;
+            logger.error(err);
+            return null;
         }
     }
 }
@@ -162,7 +162,7 @@ function handleGetSegments(req, res) {
 
     let segments = cleanGetSegments(videoID, categories);
 
-    if (segments === undefined) {
+    if (segments === null || segments === undefined) {
         res.sendStatus(500);
         return false;
     }