Whitespace fix

spec/util_spec.lua

@@ -8,33 +8,33 @@ local util = require "pallene.util"
 
 describe("Pallene utils", function()
 
-     it("returns error when a file doesn't exist", function()
+    it("returns error when a file doesn't exist", function()
         local filename = "does_not_exist.pln"
         local ok, err = util.get_file_contents(filename)
         assert.falsy(ok)
         assert.matches(filename, err)
-     end)
+    end)
 
-     it("writes a file to disk", function()
+    it("writes a file to disk", function()
         local filename = "a_file.pln"
         local ok = util.set_file_contents(filename, "return {}")
         assert.truthy(ok)
         os.remove(filename)
-     end)
+    end)
 
-     it("can extract stdout from commands", function()
+    it("can extract stdout from commands", function()
          local cmd = [[lua -e 'io.stdout:write("hello")']]
          local ok, err, stdout, stderr = util.outputs_of_execute(cmd)
          assert(ok, err)
          assert.equals("hello", stdout)
          assert.equals("",      stderr)
-     end)
+    end)
 
-     it("can extract stderr from commands", function()
+    it("can extract stderr from commands", function()
          local cmd = [[lua -e 'io.stderr:write("hello")']]
          local ok, err, stdout, stderr = util.outputs_of_execute(cmd)
          assert(ok, err)
          assert.equals("",      stdout)
          assert.equals("hello", stderr)
-     end)
+    end)
 end)