Fix Wall Spells

[kphoenix137]

Fixes: https://github.com/diasurgical/devilutionX/issues/7205

Fixes the problem where wall spells create visible missiles that overlap in the center of the wall, resulting in double damage.

[qndel]

why touch all that whitespace stuff?

[kphoenix137]

why touch all that whitespace stuff?

what?

[qndel]

why touch all that whitespace stuff?

what?

all that stuff that was basically 2 duplicated blocks of code reusing variable names, you changed that to 2 sets of variables, why introduce unnecessary diff? Makes it harder to review ;)

[kphoenix137]

why touch all that whitespace stuff?

what?

all that stuff that was basically 2 duplicated blocks of code reusing variable names, you changed that to 2 sets of variables, why introduce unnecessary diff? Makes it harder to review ;)

Please provide suggested changed and I'll commit

[AJenbo]

A word or two on what the issue is makes the log a bit more useful :)