IVGCVSW-4031 Provide well known profiling GUIDs

Change-Id: Ibf99b025f51503e8937012b655aad74698f32e38
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
diff --git a/src/profiling/IProfilingGuidGenerator.hpp b/src/profiling/IProfilingGuidGenerator.hpp
index 96e1792..34ee967 100644
--- a/src/profiling/IProfilingGuidGenerator.hpp
+++ b/src/profiling/IProfilingGuidGenerator.hpp
@@ -7,6 +7,8 @@
 
 #include "ProfilingGuid.hpp"
 
+#include <string>
+
 namespace armnn
 {