Fix typo in fuzz-mdhtml.c, preventing oss-fuzz from working.
diff --git a/test/fuzzers/fuzz-mdhtml.c b/test/fuzzers/fuzz-mdhtml.c
index f1a1bca..4e0f601 100644
--- a/test/fuzzers/fuzz-mdhtml.c
+++ b/test/fuzzers/fuzz-mdhtml.c
@@ -24,7 +24,7 @@ LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
parser_flags = ((unsigned*)data)[0];
renderer_flags = ((unsigned*)data)[1];
data += 2 * sizeof(unsigned);
- ize -= 2 * sizeof(unsigned);
+ size -= 2 * sizeof(unsigned);
md_html(data, size, process_output, NULL, parser_flags, renderer_flags);
return 0;