Clean up trailing whitespace in the kernel headers.

And fix the scripts so they stop letting trailing whitespace through.

Change-Id: Ie109fbe1f63321e565ba0fa60fee8e9cf3a61cfc
diff --git a/libc/kernel/common/linux/fcntl.h b/libc/kernel/common/linux/fcntl.h
index 5e3fcd6..63d4eb1 100644
--- a/libc/kernel/common/linux/fcntl.h
+++ b/libc/kernel/common/linux/fcntl.h
@@ -23,18 +23,18 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define F_GETLEASE (F_LINUX_SPECIFIC_BASE+1)
 #define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2)
-#define DN_ACCESS 0x00000001  
-#define DN_MODIFY 0x00000002  
+#define DN_ACCESS 0x00000001
+#define DN_MODIFY 0x00000002
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define DN_CREATE 0x00000004  
-#define DN_DELETE 0x00000008  
-#define DN_RENAME 0x00000010  
-#define DN_ATTRIB 0x00000020  
+#define DN_CREATE 0x00000004
+#define DN_DELETE 0x00000008
+#define DN_RENAME 0x00000010
+#define DN_ATTRIB 0x00000020
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define DN_MULTISHOT 0x80000000  
-#define AT_FDCWD -100  
-#define AT_SYMLINK_NOFOLLOW 0x100  
-#define AT_REMOVEDIR 0x200  
+#define DN_MULTISHOT 0x80000000
+#define AT_FDCWD -100
+#define AT_SYMLINK_NOFOLLOW 0x100
+#define AT_REMOVEDIR 0x200
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define AT_SYMLINK_FOLLOW 0x400  
+#define AT_SYMLINK_FOLLOW 0x400
 #endif