Use tuple constructor in fill.

Calling a StaticArray constructor with more than 15 arguments results in allocation due to limitations of Julia's type inference system. Going through `tuple` (as is also done elsewhere) avoids this.

Author: tkoolen

src/arraymath.jl

@@ -104,7 +104,7 @@ end
     return quote
         $(Expr(:meta, :inline))
         valT = convert($T, val)
-        SA($(expr...))
+        $(Expr(:call, SA, Expr(:tuple, expr...)))
     end
 end