File use-system-rtprocess.patch of Package LuminanceHDR

--- LuminanceHDR-2.6.0~git.20240411/CMakeLists.txt.orig	2024-06-13 07:53:43.186266143 +0200
+++ LuminanceHDR-2.6.0~git.20240411/CMakeLists.txt	2024-06-13 07:53:52.162981993 +0200
@@ -110,8 +110,8 @@
     get_git_head_revision(GIT_REFSPEC GIT_SHA1)
 ENDIF()
 
-##find_package(PkgConfig)
-##pkg_check_modules(RTPROCESS REQUIRED rtprocess>=0.2.0)
+find_package(PkgConfig)
+pkg_check_modules(RTPROCESS REQUIRED rtprocess>=0.2.0)
 
 IF(WIN32)