Use `inline` on all namespace-scope constants defined in headers
Change-Id: Ic61f8d26f59fdc2895415ca47065c02d6eec28ed
diff --git a/daemon/face/transport.hpp b/daemon/face/transport.hpp
index 1c24c57..0350bf4 100644
--- a/daemon/face/transport.hpp
+++ b/daemon/face/transport.hpp
@@ -89,22 +89,22 @@
/**
* \brief Indicates that the transport has no limit on payload size
*/
-constexpr ssize_t MTU_UNLIMITED = -1;
+inline constexpr ssize_t MTU_UNLIMITED = -1;
/**
* \brief (for internal use) Indicates that the MTU field is unset
*/
-constexpr ssize_t MTU_INVALID = -2;
+inline constexpr ssize_t MTU_INVALID = -2;
/**
* \brief Indicates that the transport does not support reading the queue capacity/length
*/
-constexpr ssize_t QUEUE_UNSUPPORTED = -1;
+inline constexpr ssize_t QUEUE_UNSUPPORTED = -1;
/**
* \brief Indicates that the transport was unable to retrieve the queue capacity/length
*/
-constexpr ssize_t QUEUE_ERROR = -2;
+inline constexpr ssize_t QUEUE_ERROR = -2;
/**
* \brief The lower half of a Face.