MINOR: quic: Export QUIC CLI code from quic_conn.c

To accelerate the compilation of quic_conn.c file, export the code in relation
with the QUIC CLI from quic_conn.c to quic_cli.c.

Makefile

@@ -608,7 +608,7 @@ OPTIONS_OBJS += src/quic_conn.o src/mux_quic.o src/h3.o src/xprt_quic.o    \
                 src/qpack-dec.o src/hq_interop.o src/quic_stream.o         \
                 src/h3_stats.o src/qmux_http.o src/cfgparse-quic.o         \
                 src/cbuf.o src/quic_cc.o src/quic_cc_nocc.o                \
-                src/quic_trace.o
+                src/quic_trace.o src/quic_cli.o
 endif
 
 ifneq ($(USE_QUIC_OPENSSL_COMPAT),)

include/haproxy/quic_cli-t.h

@@ -0,0 +1,18 @@
+/*
+ * include/haproxy/quic_trace-t.h
+ * Definitions for QUIC CLI internal types, constants and flags.
+ *
+ * Copyright (C) 2023
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+#ifndef _HAPROXY_QUIC_CLI_T_H
+#define _HAPROXY_QUIC_CLI_T_H
+
+extern unsigned int qc_epoch;
+
+#endif /* _HAPROXY_QUIC_CLI_T_H */