am 0bdc3811: mkfs.f2fs: avoid memory leak in mkfs
am 0bdc3811: mkfs.f2fs: avoid memory leak in mkfs

* commit '0bdc381123301faf15867e8728f6dca34d6a78d6':
  mkfs.f2fs: avoid memory leak in mkfs

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