Use glib memory allocation and free functions

qemu_malloc/qemu_free no longer exist after this commit.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

module.c

@@ -59,7 +59,7 @@ void register_module_init(void (*fn)(void), module_init_type type)
     ModuleEntry *e;
     ModuleTypeList *l;
 
-    e = qemu_mallocz(sizeof(*e));
+    e = g_malloc0(sizeof(*e));
     e->init = fn;
 
     l = find_type(type);