virsh: Fix uninitialized variable warning

Reported on FreeBSD only.

diff --git a/tools/virsh.c b/tools/virsh.c
index fbeb7c88f0f1b8435efd048a8223d17ba914a792..3baa0152f817d5520ee691017789a42de7c5054f 100644 (file)
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -11131,7 +11131,7 @@ vshCmddefHelp(vshControl *ctl, const char *cmdname)
         if (def->opts) {
             const vshCmdOptDef *opt;
             for (opt = def->opts; opt->name; opt++) {
-                const char *fmt;
+                const char *fmt = "%s";
                 switch (opt->type) {
                 case VSH_OT_BOOL:
                     fmt = "[--%s]";