whitespace -> tab

Alex Gryzlov · Alex Gryzlov · commit 8e92bf367b77 · 2017-07-14T18:18:38.000+03:00
diff --git a/src/Makefile b/src/Makefile
@@ -16,7 +16,7 @@ LIDR_FILES := Preface.lidr \
 	Induction.lidr \
 	Lists.lidr \
 	Poly.lidr \
-    Tactics.lidr
+	Tactics.lidr
 # TODO: Add more chapters, in order, here.
 
 
