Fix SQL error

Author: bbimber

singlecell/resources/queries/singlecell/duplicatePrototypes.sql

@@ -7,7 +7,7 @@ SELECT
 
 FROM sequenceanalysis.outputfiles o
 WHERE o.category = 'Seurat Object Prototype'
-GROUP BY o.readset
+GROUP BY o.readset, o.category
 HAVING COUNT(*) > 1
 
 UNION ALL
@@ -21,5 +21,5 @@ SELECT
 
 FROM sequenceanalysis.outputfiles o
 WHERE o.category = '10x Loupe File'
-GROUP BY o.readset
+GROUP BY o.readset, o.category
 HAVING COUNT(*) > 1