Replace tabs by spaces in copyright file

debian/changelog

 ruby-avl-tree (1.2.1-2) unstable; urgency=medium
 
+  * Team upload
+
   [ Debian Janitor ]
   * Set upstream metadata fields: Bug-Submit.
   * Update standards version to 4.4.1, no changes needed.
@@ -12,6 +14,7 @@ ruby-avl-tree (1.2.1-2) unstable; urgency=medium
   * Use gem install layout and check dependencies in tests
   * Bump Standards-Version to 4.6.0 (no changes needed)
   * Remove explicit dependency on the ruby interpreter
+  * Replace tabs by spaces in copyright file
 
  -- Cédric Boutillier <boutil@debian.org>  Wed, 24 Nov 2021 22:19:50 +0100
 

debian/copyright

@@ -25,8 +25,8 @@ License: Ruby
  .
         a) place your modifications in the Public Domain or otherwise
            make them Freely Available, such as by posting said
- 	   modifications to Usenet or an equivalent medium, or by allowing
- 	   the author to include your modifications in the software.
+           modifications to Usenet or an equivalent medium, or by allowing
+           the author to include your modifications in the software.
  .
         b) use the modified software only within your corporation or
            organization.
@@ -40,11 +40,11 @@ License: Ruby
       provided that you do at least ONE of the following:
  .
         a) distribute the binaries and library files of the software,
-  	   together with instructions (in the manual page or equivalent)
-  	   on where to get the original distribution.
+           together with instructions (in the manual page or equivalent)
+           on where to get the original distribution.
  .
         b) accompany the distribution with the machine-readable source of
- 	   the software.
+           the software.
  .
         c) give non-standard binaries non-standard names, with
           instructions on where to get the original software distribution.