f2fs: add back fsck.f2fs to recovery build

- Fixes issue of rebooting device when data filesystem
  is set to f2fs

Change-Id: I9de815e12be57773712d4acfa0b634ce909ea820
diff --git a/prebuilt/Android.mk b/prebuilt/Android.mk
index 90b9465..b63e20f 100755
--- a/prebuilt/Android.mk
+++ b/prebuilt/Android.mk
@@ -236,6 +236,7 @@
 endif
 ifeq ($(TARGET_USERIMAGES_USE_F2FS), true)
         RECOVERY_BINARY_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/make_f2fs
+        RECOVERY_BINARY_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/fsck.f2fs
         RECOVERY_BINARY_SOURCE_FILES += $(TARGET_OUT_EXECUTABLES)/sload_f2fs
 endif
 ifneq ($(wildcard system/core/reboot/Android.*),)