Merge pull request #5782 from borysiasty/release-2_18

[processing] Fix Frequency_analysis' parent group

Author: alexbruy

python/plugins/processing/algs/qgis/scripts/Frequency_analysis.py

@@ -1,4 +1,4 @@
-##Table=group
+##Vector table tools=group
 ##Input=vector
 ##Fields=Field Input
 ##Frequency=output table