fix name conflict

src/GeneralizedSchurDecompositionSolver.jl

@@ -58,11 +58,11 @@ function gs_solver!(ws::GsSolverWs,d::Matrix{Float64},e::Matrix{Float64},n1::Int
 
     try
         dgges!('N', 'V', e, d, zeros(1,1), ws.vsr, ws.eigval, ws.dgges_ws)
-    catch e
-        if e.error_nbr == size(e,1) + 2
+    catch err
+        if err.error_nbr == size(e,1) + 2
             println("Warning: DGGES reports error $(e.error_nbr)")
         else
-            rethrow(e)
+            rethrow(err)
         end
     end
     nstable = ws.dgges_ws.sdim[]