Add the version identifier to the CLI banner.

Inspired by:	patch from geoff

bin/varnishd/mgt/mgt_cli.c

@@ -80,6 +80,7 @@ mcf_banner(struct cli *cli, const char *const *av, void *priv)
 	VCLI_Out(cli, "Varnish Cache CLI 1.0\n");
 	VCLI_Out(cli, "-----------------------------\n");
 	VCLI_Out(cli, "%s\n", VSB_data(vident) + 1);
+	VCLI_Out(cli, "%s\n", VCS_version);
 	VCLI_Out(cli, "\n");
 	VCLI_Out(cli, "Type 'help' for command list.\n");
 	VCLI_Out(cli, "Type 'quit' to close CLI session.\n");

include/vcs.h

@@ -29,4 +29,5 @@
  */
 
 /* from libvarnish/version.c */
+extern const char *VCS_version;
 void VCS_Message(const char *);

lib/libvarnish/version.c

@@ -36,11 +36,13 @@
 #include "vcs.h"
 #include "vcs_version.h"
 
+const char *VCS_version =
+    PACKAGE_TARNAME "-" PACKAGE_VERSION " revision " VCS_Version;
+
 void
 VCS_Message(const char *progname)
 {
-	fprintf(stderr, "%s (%s-%s revision %s)\n", progname,
-		PACKAGE_TARNAME, PACKAGE_VERSION, VCS_Version);
+	fprintf(stderr, "%s (%s)\n", progname, VCS_version);
 	fprintf(stderr, "Copyright (c) 2006 Verdens Gang AS\n");
 	fprintf(stderr, "Copyright (c) 2006-2011 Varnish Software AS\n");
 }