Remove unused variable in infback9.c.
diff --git a/contrib/infback9/infback9.c b/contrib/infback9/infback9.c
index 7bbe90c..3691d4a 100644
--- a/contrib/infback9/infback9.c
+++ b/contrib/infback9/infback9.c
@@ -229,7 +229,6 @@
inflate_mode mode; /* current inflate mode */
int lastblock; /* true if processing last block */
int wrap; /* true if the window has wrapped */
- unsigned long write; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if needed */
unsigned long hold; /* bit buffer */
unsigned bits; /* bits in bit buffer */
@@ -259,7 +258,6 @@
strm->msg = Z_NULL;
mode = TYPE;
lastblock = 0;
- write = 0;
wrap = 0;
window = state->window;
next = strm->next_in;