Commit c9170ec for zlib

commit c9170ec2f463d0270f2461ecfc5f9cfb86e247cb
Author: Werner <led-control@vollstreckernet.de>
Date:   Fri Jan 30 15:39:32 2026 +0100

    CMake: Remove an empty line.

diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt
index 37a3491..c716d6a 100644
--- a/contrib/CMakeLists.txt
+++ b/contrib/CMakeLists.txt
@@ -14,7 +14,6 @@ function(zlib_add_contrib_lib name description dir)
             set(ZLIB_${name}_BUILD_TESTING ${ZLIB_BUILD_TESTING} CACHE BOOL "")
         endif(NOT DEFINED ZLIB_${name}_BUILD_TESTING)

-
         if(NOT DEFINED ZLIB_${name}_INSTALL)
             set(ZLIB_${name}_INSTALL ${ZLIB_INSTALL} CACHE BOOL "")
         endif(NOT DEFINED ZLIB_${name}_INSTALL)