Merge pull request #53 from anovik/icons · anovik/SmartCommander@e71134e

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'path1' in 'string Path.Combine(string path1, string path2)'.

Possible null reference argument for parameter 'path1' in 'string Path.Combine(string path1, string path2)'.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.

Possible null reference argument for parameter 'path1' in 'string Path.Combine(string path1, string path2)'.

Possible null reference argument for parameter 'path1' in 'string Path.Combine(string path1, string path2)'.

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