fix error message

Author: rschwarz

src/SCIP.jl

@@ -27,7 +27,7 @@ function __init__()
     csip_installed = CSIPversion()
     if csip_installed != csip_required
         depsdir = realpath(joinpath(dirname(@__FILE__),"..","deps"))
-        error("Current CSIP version installed is $(csip_installed), but we require $(csip_required). On Linux, delete the contents of the `$depsdir` directory except for `build.jl`, then rerun Pkg.build(\"SCIP\").")
+        error("Current CSIP version installed is $(csip_installed), but we require $(csip_required). On Linux, delete the contents of the `$depsdir` directory except for `build.jl` and `csip_version.jl`, then rerun Pkg.build(\"SCIP\").")
     end
 end