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>
diff --git a/qfloat.c b/qfloat.c
index f8c8a2e..98338f3 100644
--- a/qfloat.c
+++ b/qfloat.c
@@ -31,7 +31,7 @@
 {
     QFloat *qf;
 
-    qf = qemu_malloc(sizeof(*qf));
+    qf = g_malloc(sizeof(*qf));
     qf->value = value;
     QOBJECT_INIT(qf, &qfloat_type);
 
@@ -64,5 +64,5 @@
 static void qfloat_destroy_obj(QObject *obj)
 {
     assert(obj != NULL);
-    qemu_free(qobject_to_qfloat(obj));
+    g_free(qobject_to_qfloat(obj));
 }