fs-lib: f2fs needs crc32 not crc32c

*sigh*

modules.d/99fs-lib/module-setup.sh

@@ -41,9 +41,12 @@ echo_fs_helper() {
 include_fs_helper_modules() {
     local dev=$1 fs=$2
     case "$fs" in
-        xfs|btrfs|f2fs)
+        xfs|btrfs)
             instmods crc32c
             ;;
+        f2fs)
+            instmods crc32
+            ;;
     esac
 }