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/ppp_defs.h b/libc/kernel/common/linux/ppp_defs.h
index ed115fd..b99dce5 100644
--- a/libc/kernel/common/linux/ppp_defs.h
+++ b/libc/kernel/common/linux/ppp_defs.h
@@ -18,51 +18,51 @@
  ****************************************************************************/
 #ifndef _PPP_DEFS_H_
 #define _PPP_DEFS_H_
-#define PPP_HDRLEN 4  
-#define PPP_FCSLEN 2  
+#define PPP_HDRLEN 4
+#define PPP_FCSLEN 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_MRU 1500  
+#define PPP_MRU 1500
 #define PPP_ADDRESS(p) (((__u8 *)(p))[0])
 #define PPP_CONTROL(p) (((__u8 *)(p))[1])
 #define PPP_PROTOCOL(p) ((((__u8 *)(p))[2] << 8) + ((__u8 *)(p))[3])
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_ALLSTATIONS 0xff  
-#define PPP_UI 0x03  
-#define PPP_FLAG 0x7e  
-#define PPP_ESCAPE 0x7d  
+#define PPP_ALLSTATIONS 0xff
+#define PPP_UI 0x03
+#define PPP_FLAG 0x7e
+#define PPP_ESCAPE 0x7d
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_TRANS 0x20  
-#define PPP_IP 0x21  
-#define PPP_AT 0x29  
-#define PPP_IPX 0x2b  
+#define PPP_TRANS 0x20
+#define PPP_IP 0x21
+#define PPP_AT 0x29
+#define PPP_IPX 0x2b
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_VJC_COMP 0x2d  
-#define PPP_VJC_UNCOMP 0x2f  
-#define PPP_MP 0x3d  
-#define PPP_IPV6 0x57  
+#define PPP_VJC_COMP 0x2d
+#define PPP_VJC_UNCOMP 0x2f
+#define PPP_MP 0x3d
+#define PPP_IPV6 0x57
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_COMPFRAG 0xfb  
-#define PPP_COMP 0xfd  
-#define PPP_MPLS_UC 0x0281  
-#define PPP_MPLS_MC 0x0283  
+#define PPP_COMPFRAG 0xfb
+#define PPP_COMP 0xfd
+#define PPP_MPLS_UC 0x0281
+#define PPP_MPLS_MC 0x0283
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_IPCP 0x8021  
-#define PPP_ATCP 0x8029  
-#define PPP_IPXCP 0x802b  
-#define PPP_IPV6CP 0x8057  
+#define PPP_IPCP 0x8021
+#define PPP_ATCP 0x8029
+#define PPP_IPXCP 0x802b
+#define PPP_IPV6CP 0x8057
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_CCPFRAG 0x80fb  
-#define PPP_CCP 0x80fd  
-#define PPP_MPLSCP 0x80fd  
-#define PPP_LCP 0xc021  
+#define PPP_CCPFRAG 0x80fb
+#define PPP_CCP 0x80fd
+#define PPP_MPLSCP 0x80fd
+#define PPP_LCP 0xc021
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_PAP 0xc023  
-#define PPP_LQR 0xc025  
-#define PPP_CHAP 0xc223  
-#define PPP_CBCP 0xc029  
+#define PPP_PAP 0xc023
+#define PPP_LQR 0xc025
+#define PPP_CHAP 0xc223
+#define PPP_CBCP 0xc029
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define PPP_INITFCS 0xffff  
-#define PPP_GOODFCS 0xf0b8  
+#define PPP_INITFCS 0xffff
+#define PPP_GOODFCS 0xf0b8
 typedef __u32 ext_accm[8];
 enum NPmode {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */