[libxslt] Use config mode for package LibXml2 in config file

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 6b94c01770556d1c16042553103b89babc1dbef4
Author: Markus Rickert <rickert fortiss org>
Date:   Mon Nov 30 13:06:34 2020 +0100

    Use config mode for package LibXml2 in config file

 libxslt-config.cmake.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libxslt-config.cmake.in b/libxslt-config.cmake.in
index ca71604b..b3f9d2f2 100644
--- a/libxslt-config.cmake.in
+++ b/libxslt-config.cmake.in
@@ -46,7 +46,7 @@ select_library_location(LibXslt::LibExslt LIBXSLT_EXSLT)
 
 include(CMakeFindDependencyMacro)
 
-find_dependency(LibXml2)
+find_dependency(LibXml2 CONFIG)
 list(APPEND LIBXSLT_INCLUDE_DIRS ${LIBXML2_INCLUDE_DIRS})
 list(APPEND LIBXSLT_LIBRARIES ${LIBXML2_LIBRARIES})