remove new line character from strict_encode64 example

Author: keshavbiswa

lib/base64.rb

@@ -258,13 +258,13 @@ def decode64(str)
   # <tt>+</tt> or <tt>/</tt>;
   # see {Encoding Character Set}[Base64.html#module-Base64-label-Encoding+Character+Sets] above:
   #
-  #   Base64.strict_encode64("\xFB\xEF\xBE") # => "++++\n"
-  #   Base64.strict_encode64("\xFF\xFF\xFF") # => "////\n"
+  #   Base64.strict_encode64("\xFB\xEF\xBE") # => "++++"
+  #   Base64.strict_encode64("\xFF\xFF\xFF") # => "////"
   #
   # The returned string may include padding;
   # see {Padding}[Base64.html#module-Base64-label-Padding] above.
   #
-  #   Base64.strict_encode64('*') # => "Kg==\n"
+  #   Base64.strict_encode64('*') # => "Kg=="
   #
   # The returned string will have no newline characters, regardless of its length;
   # see {Newlines}[Base64.html#module-Base64-label-Newlines] above: