[source] procd: Install seccomp-trace symlink

[LEDE Commits]

blogic pushed a commit to source.git, branch master:
https://git.lede-project.org/1a5bf778fb4f8b648716d9f8275c6a0af503cfe5

commit 1a5bf778fb4f8b648716d9f8275c6a0af503cfe5
Author: Michal Sojka <sojkam1 at fel.cvut.cz>
AuthorDate: Tue Sep 12 13:12:50 2017 +0200

    procd: Install seccomp-trace symlink
    
    Signed-off-by: Michal Sojka <sojkam1 at fel.cvut.cz>
---
 package/system/procd/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/system/procd/Makefile b/package/system/procd/Makefile
index 6ab4f48..c62877c 100644
--- a/package/system/procd/Makefile
+++ b/package/system/procd/Makefile
@@ -110,6 +110,7 @@ define Package/procd-seccomp/install
 	$(INSTALL_DIR) $(1)/sbin $(1)/lib
 	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/libpreload-seccomp.so $(1)/lib
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/utrace $(1)/sbin/
+	ln -s utrace $(1)/sbin/seccomp-trace
 	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/libpreload-trace.so $(1)/lib
 endef