treewide: editorconfig fixes

- remove trailing whitespace
- use spaces for indentation

pkgs/development/compilers/bigloo/default.nix

@@ -32,14 +32,14 @@ stdenv.mkDerivation rec {
     # Fix absolute paths.
     sed -e 's=/bin/mv=mv=g' -e 's=/bin/rm=rm=g'			\
         -e 's=/tmp=$TMPDIR=g' -i autoconf/*		\
-	[Mm]akefile*   */[Mm]akefile*   */*/[Mm]akefile*	\
-	*/*/*/[Mm]akefile*   */*/*/*/[Mm]akefile*		\
-	comptime/Cc/cc.scm gc/install-*
+        [Mm]akefile*   */[Mm]akefile*   */*/[Mm]akefile*	\
+        */*/*/[Mm]akefile*   */*/*/*/[Mm]akefile*		\
+        comptime/Cc/cc.scm gc/install-*
 
     # Make sure we don't change string lengths in the generated
     # C files.
     sed -e 's=/bin/rm=     rm=g' -e 's=/bin/mv=     mv=g'	\
-	-i comptime/Cc/cc.c
+        -i comptime/Cc/cc.c
   '';
 
   checkTarget = "test";