plugins/cache: Fixed "function decl. is not a prototype" warnings

Signed-off-by: Mahmoud Mandour <[email protected]>
Signed-off-by: Alex Bennée <[email protected]>
Reviewed-by: Alex Bennée <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Message-Id: <[email protected]>
Message-Id: <[email protected]>

Author: i3abghany

contrib/plugins/cache.c

@@ -469,7 +469,7 @@ static int icmp(gconstpointer a, gconstpointer b)
     return insn_a->imisses < insn_b->imisses ? 1 : -1;
 }
 
-static void log_stats()
+static void log_stats(void)
 {
     g_autoptr(GString) rep = g_string_new("");
     g_string_append_printf(rep,
@@ -487,7 +487,7 @@ static void log_stats()
     qemu_plugin_outs(rep->str);
 }
 
-static void log_top_insns()
+static void log_top_insns(void)
 {
     int i;
     GList *curr, *miss_insns;
@@ -536,7 +536,7 @@ static void plugin_exit(qemu_plugin_id_t id, void *p)
     g_hash_table_destroy(miss_ht);
 }
 
-static void policy_init()
+static void policy_init(void)
 {
     switch (policy) {
     case LRU: