fixup! fixup! DArray: Small matmul bugfix

Author: jpsamaroo

Diff for: src/array/mul.jl

@@ -109,8 +109,8 @@ function gemm_dagger!(
     Bmt, Bnt = size(Bc)
     Cmt, Cnt = size(Cc)
 
-    alpha = real(T)(_add.alpha)
-    beta = real(T)(_add.beta)
+    alpha = T(_add.alpha)
+    beta = T(_add.beta)
 
     if Ant != Bmt
         throw(DimensionMismatch(lazy"A has number of blocks ($Amt,$Ant) but B has number of blocks ($Bmt,$Bnt)"))