IMPORT: slz: declare len to fix debug build when optimal match is enabled

Building with -DFIND_OPTIMAL_MATCH would fail on undeclared "len".
This one likely vanished in some cleanup.

This is libslz upstream commit 1ea20360715e1ad0cd81db83fa4361310716b8cc

diff --git a/src/slz.c b/src/slz.c
index 0ca9d279c38c7ecab1453f29d6fd223f6add467c..1d6032ea2e9294858b33314d998081075fbfea11 100644 (file)
--- a/src/slz.c
+++ b/src/slz.c
@@ -578,6 +578,8 @@ long slz_rfc1951_encode(struct slz_stream *strm, unsigned char *out, const unsig
                int max_lookup = 2; // 0 = no limit
 
                for (scan = pos - 1; scan < pos && (unsigned long)(pos - scan - 1) < 32768; scan--) {
+                       int len;
+
                        if (*(uint32_t *)(in + scan) != word)
                                continue;