tweaks: convert the indentation of the NEWS file too

To keep the blocks of text more-or-less aligned.

NEWS

@@ -355,13 +355,12 @@
 
 2013.03.22 - GNU nano 2.3.2 "Annoy your coworkers for fun and profit" is
 				released.  This release introduces vim-style file locking
-		(though not backup/restore), useful when using nano
-		in a multi-editor environment.  Feedback is welcome if
-		you run into any issues with this new code.  Other new
-		features include additional support for word boundary
-		checking when cross compiling, fixes for trying to go to
-		an invalid line number, and the usual documentation
-		tweaks.
+				(though not backup/restore), useful when using nano in a
+				multi-editor environment.  Feedback is welcome if you run
+				into any issues with this new code.  Other new features
+				include additional support for word boundary checking when
+				cross compiling, fixes for trying to go to an invalid
+				line number, and the usual documentation tweaks.
 
 2011.05.10 - GNU nano 2.3.1 "I'm in space" is released.  This
 				release includes some fixes for the new libmagic code, as