Clean up type conversions.

Based on upstream 7096424f23df1b1813237fb5f8bc8f34cfcedd0c, but
modified heavily to match zlib-ng.

1 files changed, 1 insertions, 1 deletions

diff --git a/infback.c b/infback.c
index 4fc783f..49c90cc 100644
--- a/infback.c
+++ b/infback.c
@@ -46,7 +46,7 @@ int ZEXPORT inflateBackInit_(z_stream *strm, int windowBits, unsigned char *wind
     Tracev((stderr, "inflate: allocated\n"));
     strm->state = (struct internal_state *)state;
     state->dmax = 32768U;
-    state->wbits = windowBits;
+    state->wbits = (uInt)windowBits;
     state->wsize = 1U << windowBits;
     state->window = window;
     state->wnext = 0;