plugins/cache: freed heap-allocated mutexes

Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210810134844.166490-2-ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211026102234.3961636-14-alex.bennee@linaro.org>

contrib/plugins/cache.c

@@ -614,6 +614,9 @@ static void plugin_exit(qemu_plugin_id_t id, void *p)
     caches_free(dcaches);
     caches_free(icaches);
 
+    g_free(dcache_locks);
+    g_free(icache_locks);
+
     g_hash_table_destroy(miss_ht);
 }