Fix propagation of failures in installer scripts

Change-Id: Ie83a4c9284ea63b40c37975da261634f930b6317
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/common/track b/common/track
index 627c680..e5a5ef7 100644
--- a/common/track
+++ b/common/track
@@ -60,13 +60,14 @@
             operation="${1:-${osm_track_event_name}}"
             shift 1
             value="${1:-}"
+            value="${value// /_}"
             shift 1
             comment="${1:-}"
-            shift 1
             comment="${comment// /_}"
-            tags="${1:-}"
             shift 1
+            tags="${1:-}"
             tags="${tags//,/\~}"
+            shift 1
             [ "$value" == "none" ] && value=""
             [ "$comment" == "none" ] && comment=""
             [ "$tags" == "none" ] && tags=""