ubifs: BUG: Blocks commpressed with zlib

Blocks compressed with zlib dont have the full gzip header.

Without this patch, block compressed with zlib cannot be readed!

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@uam.es>
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 91351de..43865aa 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -2172,6 +2172,7 @@
 /* todo: Move these to a common U-Boot header */
 int lzo1x_decompress_safe(const unsigned char *in, size_t in_len,
 			  unsigned char *out, size_t *out_len);
-int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
 
+int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
+						int stoponerr, int offset);
 #endif /* !__UBIFS_H__ */