Update basis_spec.txt
diff --git a/spec/basis_spec.txt b/spec/basis_spec.txt
index 2e4a135..ea415db 100644
--- a/spec/basis_spec.txt
+++ b/spec/basis_spec.txt
@@ -74,7 +74,6 @@
   cBASISHeaderFlagHasAlphaSlices = 4
 };
 
-
 4.0 File Structures
 -------------------