add git checkout to the apropiate tag v1.0

Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/scripts/install-openmano.sh b/scripts/install-openmano.sh
index 85d3293..ff627d3 100755
--- a/scripts/install-openmano.sh
+++ b/scripts/install-openmano.sh
@@ -265,7 +265,7 @@
 #################################################################'
     su $SUDO_USER -c 'git clone '"${GIT_URL}"' openmano'
     su $SUDO_USER -c 'cp openmano/.gitignore-common openmano/.gitignore'
-    [[ -z $DEVELOP ]] && su $SUDO_USER -c 'git checkout tags/v1.0' 
+    [[ -z $DEVELOP ]] && su $SUDO_USER -c 'cd openmano; git checkout tags/v1.0; cd ..' 
 fi
 
 echo '