loci: centralize copyright header
diff --git a/c_gen/c_code_gen.py b/c_gen/c_code_gen.py
index 0d44a6d..b9a5560 100644
--- a/c_gen/c_code_gen.py
+++ b/c_gen/c_code_gen.py
@@ -796,6 +796,7 @@
 def common_top_matter(out, name):
     loxi_utils.gen_c_copy_license(out)
     out.write("""\
+
 /****************************************************************
  * File: %s
  *