am 3cd5ba14: configure: also check for byteswap.h
am 3cd5ba14: configure: also check for byteswap.h

* commit '3cd5ba14a4d83e94e1402c4ba1a5c3f030f20d50':
  configure: also check for byteswap.h

YUPlayGodDev/platform_external_f2fs-tools,TurboROM/external_f2fs-tools,PAC-ROM/android_external_f2fs-tools,PAC-ROM/android_external_f2fs-tools,Infinitive-OS/external_f2fs-tools,TurboROM/external_f2fs-tools,TeamTwisted/android_external_f2fs-tools,Infinitive-OS/platform_external_f2fs-tools,geekboxzone/mmallow_external_f2fs-tools,OneRom/external_f2fs-tools,Yu-AndroidM/android_external_f2fs-tools,Infinitive-OS/external_f2fs-tools,AOSP-YU/platform_external_f2fs-tools,TeamTwisted/android_external_f2fs-tools,Infinitive-OS/platform_external_f2fs-tools,geekboxzone/mmallow_external_f2fs-tools,blastagator/cm_external_f2fs-tools,NamelessRom/android_external_f2fs-tools,YUPlayGodDev/platform_external_f2fs-tools,Yu-AndroidM/android_external_f2fs-tools,AOSP-YU/platform_external_f2fs-tools,NamelessRom/android_external_f2fs-tools,TeamExodus/external_f2fs-tools,TeamExodus/external_f2fs-tools,blastagator/cm_external_f2fs-tools,OneRom/external_f2fs-tools