Code review comments from jeffpc

@@ -24,10 +24,12 @@
  */
 
 #ifndef _ELF_ELF_IMPL_H
 #define _ELF_ELF_IMPL_H
 
+#pragma ident   "%Z%%M% %I%     %E% SMI"
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 #if     !defined(_LP64) || defined(_ELF32_COMPAT)