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/arch-mips/asm/socket.h b/libc/kernel/arch-mips/asm/socket.h
index 4dbbe85..02cf29e 100644
--- a/libc/kernel/arch-mips/asm/socket.h
+++ b/libc/kernel/arch-mips/asm/socket.h
@@ -21,29 +21,29 @@
 #include <asm/sockios.h>
 #define SOL_SOCKET 0xffff
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SO_DEBUG 0x0001  
-#define SO_REUSEADDR 0x0004  
-#define SO_KEEPALIVE 0x0008  
-#define SO_DONTROUTE 0x0010  
+#define SO_DEBUG 0x0001
+#define SO_REUSEADDR 0x0004
+#define SO_KEEPALIVE 0x0008
+#define SO_DONTROUTE 0x0010
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SO_BROADCAST 0x0020  
-#define SO_LINGER 0x0080  
-#define SO_OOBINLINE 0x0100  
-#define SO_TYPE 0x1008  
+#define SO_BROADCAST 0x0020
+#define SO_LINGER 0x0080
+#define SO_OOBINLINE 0x0100
+#define SO_TYPE 0x1008
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SO_STYLE SO_TYPE  
-#define SO_ERROR 0x1007  
-#define SO_SNDBUF 0x1001  
-#define SO_RCVBUF 0x1002  
+#define SO_STYLE SO_TYPE
+#define SO_ERROR 0x1007
+#define SO_SNDBUF 0x1001
+#define SO_RCVBUF 0x1002
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SO_SNDLOWAT 0x1003  
-#define SO_RCVLOWAT 0x1004  
-#define SO_SNDTIMEO 0x1005  
-#define SO_RCVTIMEO 0x1006  
+#define SO_SNDLOWAT 0x1003
+#define SO_RCVLOWAT 0x1004
+#define SO_SNDTIMEO 0x1005
+#define SO_RCVTIMEO 0x1006
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SO_ACCEPTCONN 0x1009
-#define SO_PROTOCOL 0x1028  
-#define SO_DOMAIN 0x1029  
+#define SO_PROTOCOL 0x1028
+#define SO_DOMAIN 0x1029
 #define SO_NO_CHECK 11
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SO_PRIORITY 12