[packages/libxml2] Fixes compat macro initGenericErrorDefaultFunc

[arekm]

commit df222dfefe83dd82d29919f1f63d53db0a270d87
Author: Arkadiusz Miśkiewicz <arekm at maven.pl>
Date:   Wed Aug 20 13:08:42 2025 +0200

    Fixes compat macro initGenericErrorDefaultFunc
    
    Fixes builds of other programs, that use libxml2, which failed with:
    /usr/include/libxml2/libxml/xmlerror.h:23:45: error: invalid use of void expression
       23 |     xmlSetGenericErrorFunc(NULL, (h) ? *(h) : NULL)
          |                                             ^

 initGenericErrorDefaultFunc.patch | 11 +++++++++++
 libxml2.spec                      |  5 ++++-
 2 files changed, 15 insertions(+), 1 deletion(-)
---
diff --git a/libxml2.spec b/libxml2.spec
index 6a87b2c..2e04347 100644
--- a/libxml2.spec
+++ b/libxml2.spec
@@ -17,7 +17,7 @@ Summary(pl.UTF-8):	Biblioteka libXML wersja 2
 Summary(pt_BR.UTF-8):	Biblioteca libXML versão 2
 Name:		libxml2
 Version:	2.14.5
-Release:	1
+Release:	2
 Epoch:		1
 License:	MIT
 Group:		Libraries
@@ -29,6 +29,7 @@ Patch1:		%{name}-largefile.patch
 Patch2:		%{name}-libx32.patch
 Patch3:		%{name}-python-setup.patch
 Patch4:		%{name}-normalize.patch
+Patch5:		initGenericErrorDefaultFunc.patch
 # Fedora patches
 # https://bugzilla.gnome.org/show_bug.cgi?id=789714
 Patch11:	%{name}-python3-unicode-errors.patch
@@ -185,6 +186,8 @@ do biblioteki libxml2.
 %patch -P2 -p1
 %patch -P3 -p1
 %patch -P4 -p1
+%patch -P5 -p1
+
 %patch -P11 -p1
 
 %build
diff --git a/initGenericErrorDefaultFunc.patch b/initGenericErrorDefaultFunc.patch
new file mode 100644
index 0000000..91b866f
--- /dev/null
+++ b/initGenericErrorDefaultFunc.patch
@@ -0,0 +1,11 @@
+--- libxml2-2.14.5/include/libxml/xmlerror.h~	2025-07-15 15:08:05.000000000 +0200
++++ libxml2-2.14.5/include/libxml/xmlerror.h	2025-08-20 13:04:41.913857953 +0200
+@@ -20,7 +20,7 @@ extern "C" {
+  * Backward compatibility
+  */
+ #define initGenericErrorDefaultFunc(h) \
+-    xmlSetGenericErrorFunc(NULL, (h) ? *(h) : NULL)
++    xmlSetGenericErrorFunc(NULL, (h) ? *((xmlGenericErrorFunc *) (h)) : NULL)
+ 
+ /**
+  * xmlErrorLevel:
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/libxml2.git/commitdiff/df222dfefe83dd82d29919f1f63d53db0a270d87