mgmt: fix CsInfo.Capacity decoding

refs #4050

Change-Id: Icc6d3cc45f1c7ea042b6c0a8c03d70e89852fcee
diff --git a/src/mgmt/nfd/cs-info.cpp b/src/mgmt/nfd/cs-info.cpp
index c7b7f7d..8953103 100644
--- a/src/mgmt/nfd/cs-info.cpp
+++ b/src/mgmt/nfd/cs-info.cpp
@@ -89,7 +89,7 @@
   auto val = m_wire.elements_begin();
 
   if (val != m_wire.elements_end() && val->type() == tlv::nfd::Capacity) {
-    m_nHits = readNonNegativeInteger(*val);
+    m_capacity = readNonNegativeInteger(*val);
     ++val;
   }
   else {