Fixe prune_libtool_files temp variable

hooks/ebuild_install_post/prune_libtool_files.bash

@@ -70,7 +70,7 @@ prune_libtool_files() {
 					local pc_libs=()
 					if [[ ! ${removing_all} ]]; then
 						local pc
-						local tf=${T}/prune-lt-files.pc
+						local tf=${TEMP}/prune-lt-files.pc
 						local pkgconf=${PKG_CONFIG}
 
 						while IFS= read -r -d '' pc; do # for all .pc files