Revert "Put the clang format markers at the top"

This reverts commit 42ecacd.

Author: hpvb

generate-wrapper.py

@@ -119,12 +119,12 @@ def parse_header(filename, omit_prefix):
 
 def generate_header(sysincludes, functions):
     retval = []
-    retval.append("// clang-format off")
     retval.append("// This file is generated. Do not edit!")
     retval.append(f"// see {URL} for details")
     retval.append(f"// generated by {PROGNAME} {VERSION} on {NOW}")
     retval.append(f"// flags: {FLAGS}")
     retval.append("//")
+    retval.append("// clang-format off")
     retval.append("#include <dlfcn.h>")
     retval.append("#include <stdio.h>")