Fixed warning during nginx.xs compilation.
diff --git a/src/http/modules/perl/nginx.xs b/src/http/modules/perl/nginx.xs
index ecd11ff..ed97439 100644
--- a/src/http/modules/perl/nginx.xs
+++ b/src/http/modules/perl/nginx.xs
@@ -476,7 +476,7 @@
}
if (header->key.len == sizeof("Content-Encoding") - 1
- && ngx_strncasecmp(header->key.data, "Content-Encoding",
+ && ngx_strncasecmp(header->key.data, (u_char *) "Content-Encoding",
sizeof("Content-Encoding") - 1) == 0)
{
r->headers_out.content_encoding = header;