issue registering QgsFunctions

[qgib]

Author Name: enrico ferreguti (@enricofer)
Original Redmine Issue: 11961
Affected QGIS version: 2.6.0

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Registering QgsFunctions using 'usesgeometry' directive throws exception on Master versions:

ref: #6a17a60ae23a0b7010682d91aa7fa2de795bd748#commitcomment-9167072

return register_function(func, args, group, usesgeometry, **kwargs)
TypeError: register_function() got multiple values for keyword argument 'usesgeometry'

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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• crashes_corrupts_data was configured as 0
• version was configured as 2.6.0
• project_id was changed from 18 to 17
• tracker_id was changed from 3 to 1

[qgib]

Author Name: Nathan Woodrow (@NathanW2)

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Fixed in d9042f5

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• resolution was changed from to fixed/implemented
• status_id was changed from Open to Closed