Update install.sh to use ldconfig for chronosync

refs: #4295

Change-Id: Id7dab8fc09063c6cf72ad96c31a9c4376c5c8788
diff --git a/install.sh b/install.sh
index 7591eaa..f47f0d6 100755
--- a/install.sh
+++ b/install.sh
@@ -136,6 +136,7 @@
     ./waf configure
     ./waf
     sudo ./waf install
+    sudo ldconfig
     cd ../
 
     git clone --depth 1 https://github.com/named-data/NLSR