Fix, test

Author: dhoegh

test/file.jl

@@ -859,16 +859,16 @@ end
 #     walkdir     #
 ###################
 
-walkdir = mktempdir()
-cd(dir) do
+dirwalk = mktempdir()
+cd(dirwalk) do
     for i=1:2
         mkdir("sub_dir$i")
         open("file$i", "w") do f end
 
         mkdir(joinpath("sub_dir1", "subsub_dir$i"))
-        open(joinpath("sub_dir1", "file$i"), "w") do f end
+        touch(joinpath("sub_dir1", "file$i"))
     end
-    open(joinpath("sub_dir2", "file_dir2"), "w")
+    touch(joinpath("sub_dir2", "file_dir2"))
     has_symlinks = @unix? true : (Base.windows_version() >= Base.WINDOWS_VISTA_VER)
     follow_symlink_vec = has_symlinks ? [true, false] : [false]
     has_symlinks && symlink(abspath("sub_dir2"), joinpath("sub_dir1", "link"))
@@ -954,7 +954,7 @@ cd(dir) do
     @test files == ["file_dir2"]
 
 end
-@unix_only rm(walkdir, recursive=true)
+rm(dirwalk, recursive=true)
 
 ############
 # Clean up #