[packages/libxml2] enable .gz fallback only when building with zlib

[atler]

commit 4e7b072e998ca8fa023e820e08a38c41ce61c45e
Author: Jan Palus <atler at pld-linux.org>
Date:   Fri Jun 14 20:22:16 2024 +0200

    enable .gz fallback only when building with zlib

 libxml2-open.gz.patch | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/libxml2-open.gz.patch b/libxml2-open.gz.patch
index 61ec90a..1d01b0c 100644
--- a/libxml2-open.gz.patch
+++ b/libxml2-open.gz.patch
@@ -1,9 +1,10 @@
 --- libxml2-2.13.0/xmlIO.c.orig	2024-06-14 12:32:12.257784372 +0200
 +++ libxml2-2.13.0/xmlIO.c	2024-06-14 19:23:06.355299914 +0200
-@@ -547,6 +547,27 @@
+@@ -547,6 +547,29 @@
      fd = open(filename, flags, 0777);
  #endif /* WIN32 */
  
++#ifdef LIBXML_ZLIB_ENABLED
 +    if (fd < 0 && errno == ENOENT) {
 +        /* If we cannot open `foo.xml', we try `foo.xml.gz'. However we i
 +         * append .gz only if filename doesn't alreay end with .gz. */
@@ -25,6 +26,7 @@
 +        }
 +    }
 +
++#endif /* LIBXML_ZLIB_ENABLED */
      if (fd < 0) {
          /*
           * Windows and possibly other platforms return EINVAL
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/libxml2.git/commitdiff/4e7b072e998ca8fa023e820e08a38c41ce61c45e