[libxslt] cmake: Set SOVERSION

[Nick Wellnhofer <nwellnhof src gnome org>]

commit a76d2d296bf563ee21581769b9c8206c82619970
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Tue Sep 20 14:52:01 2022 +0200

    cmake: Set SOVERSION

 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f619300e..d44034e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -227,6 +227,7 @@ set_target_properties(
        POSITION_INDEPENDENT_CODE ON
        PREFIX lib
        VERSION ${PROJECT_VERSION}
+       SOVERSION ${LIBXSLT_MAJOR_VERSION}
 )
 
 if(MSVC)
@@ -314,6 +315,7 @@ set_target_properties(
        POSITION_INDEPENDENT_CODE ON
        PREFIX lib
        VERSION ${LIBEXSLT_VERSION}
+       SOVERSION ${LIBEXSLT_MAJOR_VERSION}
 )
 
 if(MSVC)