Consolidate more jedec standard code

Corresponding to flashrom svn r15 and coreboot v2 svn r1457.
diff --git a/sst39sf020.h b/sst39sf020.h
index 9cb7be0..698814c 100644
--- a/sst39sf020.h
+++ b/sst39sf020.h
@@ -1,7 +1,7 @@
 #ifndef __SST39SF020_H__
 #define __SST39SF020_H__ 1
 
-extern int probe_39sf020 (struct flashchip * flash);
-extern int write_39sf020 (struct flashchip * flash, unsigned char * buf);
+extern int probe_39sf020(struct flashchip *flash);
+extern int write_39sf020(struct flashchip *flash, unsigned char *buf);
 
-#endif /* !__SST39SF020_H__ */
+#endif				/* !__SST39SF020_H__ */