hw/ppc/spapr_caps.c: use g_autofree in spapr_caps_add_properties()

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220228175004.8862-6-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/ppc/spapr_caps.c

@@ -930,16 +930,13 @@ void spapr_caps_add_properties(SpaprMachineClass *smc)
 
     for (i = 0; i < ARRAY_SIZE(capability_table); i++) {
         SpaprCapabilityInfo *cap = &capability_table[i];
-        char *name = g_strdup_printf("cap-%s", cap->name);
-        char *desc;
+        g_autofree char *name = g_strdup_printf("cap-%s", cap->name);
+        g_autofree char *desc = g_strdup_printf("%s", cap->description);
 
         object_class_property_add(klass, name, cap->type,
                                   cap->get, cap->set,
                                   NULL, cap);
 
-        desc = g_strdup_printf("%s", cap->description);
         object_class_property_set_description(klass, name, desc);
-        g_free(name);
-        g_free(desc);
     }
 }