lttng-tools: Fix ptest installed la files

The ptest .la files are just getting copied into new directories, we need
to relocate them and update the paths within.

(From OE-Core rev: 94ee0470af875501ef76ceff2c7e239f34a11495)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-kernel/lttng/lttng-tools_git.bb

@@ -69,6 +69,11 @@ do_install_ptest () {
 		  -i $i
 	done
 
+	# Update libdir references in copied .la files
+	for i in `find ${D}${PTEST_PATH} -type f -name *.la`; do
+		sed -i -e 's#${S}/tests/#${STAGING_DIR}${PTEST_PATH}#g' $i
+	done
+
 	sed -e "s:src/bin:bin:g" -e "s:lt-::g" \
 	-i ${D}${PTEST_PATH}/tests/utils/utils.sh
 	sed -e "s:ini_config:\.libs\/ini_config:" \