Possible bug in gamma_inc

[Marco Lombardi]

I believe that in the following line

SpecialFunctions.jl/src/gamma_inc.jl

Line 673 in 36c547b

 throw(DomainError((a, x, ind_), "P(a,x) or Q(a,x) is computationally indeterminant in this case.")) 

ind_ should be replaced by ind.

[Simon Byrne]

thanks! care to open a PR?

[Simon Byrne]

(PR = pull request)

[Marco Lombardi]

Sure, will do!

[Marco Lombardi]

Done, as you probably have seen already!

[Alex Arslan]

Fixed in #419