Export Armnn cmake

Change-Id: I3c317e835aba5feafda240393ca26b6aebe8d655
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
diff --git a/src/profiling/backends/BackendProfiling.cpp b/src/profiling/backends/BackendProfiling.cpp
index 4e6de93..135174b 100644
--- a/src/profiling/backends/BackendProfiling.cpp
+++ b/src/profiling/backends/BackendProfiling.cpp
@@ -32,7 +32,7 @@
 
 void BackendProfiling::ReportCounters(const std::vector<Timestamp>& timestamps)
 {
-    for (const auto timestampInfo : timestamps)
+    for (const auto& timestampInfo : timestamps)
     {
         std::vector<CounterValue> backendCounterValues = timestampInfo.counterValues;
         for_each(backendCounterValues.begin(), backendCounterValues.end(), [&](CounterValue& backendCounterValue)