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/mtd/mtd-abi.h b/libc/kernel/common/mtd/mtd-abi.h
index 434e3cc..cbbb1ad 100644
--- a/libc/kernel/common/mtd/mtd-abi.h
+++ b/libc/kernel/common/mtd/mtd-abi.h
@@ -37,22 +37,22 @@
 #define MTD_NANDFLASH 4
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MTD_DATAFLASH 6
-#define MTD_WRITEABLE 0x400  
-#define MTD_BIT_WRITEABLE 0x800  
-#define MTD_NO_ERASE 0x1000  
+#define MTD_WRITEABLE 0x400
+#define MTD_BIT_WRITEABLE 0x800
+#define MTD_NO_ERASE 0x1000
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MTD_STUPID_LOCK 0x2000  
+#define MTD_STUPID_LOCK 0x2000
 #define MTD_CAP_ROM 0
 #define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
 #define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MTD_CAP_NANDFLASH (MTD_WRITEABLE)
-#define MTD_NANDECC_OFF 0 
-#define MTD_NANDECC_PLACE 1 
-#define MTD_NANDECC_AUTOPLACE 2 
+#define MTD_NANDECC_OFF 0
+#define MTD_NANDECC_PLACE 1
+#define MTD_NANDECC_AUTOPLACE 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MTD_NANDECC_PLACEONLY 3 
-#define MTD_NANDECC_AUTOPL_USR 4 
+#define MTD_NANDECC_PLACEONLY 3
+#define MTD_NANDECC_AUTOPL_USR 4
 #define MTD_OTP_OFF 0
 #define MTD_OTP_FACTORY 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */