File ustp-cmake-gnuinstalldirs.patch of Package ustp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dd5ad4a..acb3d2a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 3.12)
 
 PROJECT(ustp C)
+INCLUDE(GNUInstallDirs)
 
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads)
@@ -13,8 +14,8 @@ TARGET_LINK_LIBRARIES(ustpd ubox ubus Threads::Threads)
 SET(CMAKE_INSTALL_PREFIX /)
 
 INSTALL(TARGETS ustpd
-	RUNTIME DESTINATION sbin
+	RUNTIME DESTINATION ${CMAKE_INSTALL_SBINDIR}
 )
-INSTALL(FILES scripts/bridge-stp
-	DESTINATION sbin
+INSTALL(PROGRAMS scripts/bridge-stp
+	DESTINATION ${CMAKE_INSTALL_SBINDIR}
 )