Fixed formatting of src/tempfile.cr

src/tempfile.cr

@@ -36,7 +36,7 @@ end
 class Tempfile < IO::FileDescriptor
   # Creates a `Tempfile` with the given filename.
   def initialize(name)
-		tmpdir = self.class.dirname + File::SEPARATOR
+    tmpdir = self.class.dirname + File::SEPARATOR
     @path = "#{tmpdir}#{name}.XXXXXX"
     fileno = LibC.mkstemp(@path)
     if fileno == -1
@@ -69,18 +69,18 @@ class Tempfile < IO::FileDescriptor
     end
     tempfile
   end
-	
-	# Returns the tmp dir used for tempfile
+
+  # Returns the tmp dir used for tempfile
   # ```
   # Tempfile.dirname # => "/tmp"
   # ```
-	def self.dirname
+  def self.dirname
     unless tmpdir = ENV["TMPDIR"]?
       tmpdir = "/tmp"
     end
-		tmpdir = tmpdir + File::SEPARATOR  unless tmpdir.ends_with? File::SEPARATOR
-		File.dirname(tmpdir)
-	end
+    tmpdir = tmpdir + File::SEPARATOR unless tmpdir.ends_with? File::SEPARATOR
+    File.dirname(tmpdir)
+  end
 
   # Deletes this tempfile.
   def delete