msg/msg_types.h: include fmt/format.h

for accessing the macro definition of FMT_VERSION, so we can have
definition of fmt::format<> if required.

Signed-off-by: Kefu Chai <tchaikov@gmail.com>

diff --git a/src/msg/msg_types.h b/src/msg/msg_types.h
index 65cfee514bbab01b73c6ff7089125754ab4f1865..8420ff83e1adc6036ad00d279f092d725e995288 100644 (file)
--- a/src/msg/msg_types.h
+++ b/src/msg/msg_types.h
@@ -18,6 +18,7 @@
 #include <sstream>
 
 #include <netinet/in.h>
+#include <fmt/format.h>
 #if FMT_VERSION >= 90000
 #include <fmt/ostream.h>
 #endif