[PATCH] lib/crc32.c: uses (and includes) compiler.h

[Clay Haapala <chaapala@cisco.com>]

Here is the crc32.c patch to remove attribute((pure)), with compiler.h
included.
-- 
Clay Haapala (chaapala@cisco.com) Cisco Systems SRBU +1 763-398-1056
   6450 Wedgwood Rd, Suite 130 Maple Grove MN 55311 PGP: C89240AD
  "Oh, *that* Physics Prize.  Well, I just substituted 'stupidity' for
      'dark matter' in the equations, and it all came together."

--- linux-2.6.5.orig/lib/crc32.c	Sat Apr  3 21:36:14 2004
+++ linux-2.6.5/lib/crc32.c	Wed Apr 28 10:07:20 2004
@@ -23,6 +23,7 @@
 #include <linux/crc32.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/compiler.h>
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/init.h>
@@ -37,13 +38,6 @@
 #endif
 #include "crc32table.h"
 
-#if __GNUC__ >= 3	/* 2.x has "attribute", but only 3.0 has "pure */
-#define attribute(x) __attribute__(x)
-#else
-#define attribute(x)
-#endif
-
-
 MODULE_AUTHOR("Matt Domsch <Matt_Domsch@dell.com>");
 MODULE_DESCRIPTION("Ethernet CRC32 calculations");
 MODULE_LICENSE("GPL");
@@ -62,7 +56,7 @@
  * @len - length of buffer @p
  * 
  */
-u32 attribute((pure)) crc32_le(u32 crc, unsigned char const *p, size_t len)
+u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len)
 {
 	int i;
 	while (len--) {
@@ -82,7 +76,7 @@
  * @len - length of buffer @p
  * 
  */
-u32 attribute((pure)) crc32_le(u32 crc, unsigned char const *p, size_t len)
+u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_LE_BITS == 8
 	const u32      *b =(u32 *)p;
@@ -165,7 +159,7 @@
  * @len - length of buffer @p
  * 
  */
-u32 attribute((pure)) crc32_be(u32 crc, unsigned char const *p, size_t len)
+u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len)
 {
 	int i;
 	while (len--) {
@@ -187,7 +181,7 @@
  * @len - length of buffer @p
  * 
  */
-u32 attribute((pure)) crc32_be(u32 crc, unsigned char const *p, size_t len)
+u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_BE_BITS == 8
 	const u32      *b =(u32 *)p;