Precision strike tactical combat command lacks range constraint

[RMTEW FULL NAME]

The precision strike option in the tactical commands window, is present if the player has "find weakness" skill. It is a close quarters command, but was excluded from the range check.

[RMTEW FULL NAME]

Precision strike had no range constraint, allowing it to be used against distant targets. It uses the wielded weapon, otherwise the default attack of the racial type. If the wielded weapon was ranged, then it was used as a brawl weapon naively. For now precision strike cannot be used if the wielded weapon is ranged. Reported by Felius@Bay12, with handy save file. Fixes #189

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