File etlegacy-cmake-install.patch of Package etlegacy

diff -Nur etlegacy-2.80.1/cmake/ETLInstall.cmake new/cmake/ETLInstall.cmake
--- etlegacy-2.80.1/cmake/ETLInstall.cmake	2022-04-23 17:50:11.000000000 +0200
+++ new/cmake/ETLInstall.cmake	2022-04-24 08:28:28.343630185 +0200
@@ -3,7 +3,7 @@
 #-----------------------------------------------------------------
 
 if(NOT DOCDIR)
-	set(DOCDIR "${INSTALL_DEFAULT_SHAREDIR}/doc/etlegacy")
+	set(DOCDIR "${INSTALL_DEFAULT_SHAREDIR}/doc/packages/etlegacy")
 endif()
 
 # description file - see FS_GetModList