mcf5208: fix leak from qemu_allocate_irqs

The array returned by qemu_allocate_irqs is malloced, free it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c
index 012710d..60c5802 100644
--- a/hw/m68k/mcf5208.c
+++ b/hw/m68k/mcf5208.c
@@ -273,6 +273,8 @@
                      0xfc030000, pic + 36);
     }
 
+    g_free(pic);
+
     /*  0xfc000000 SCM.  */
     /*  0xfc004000 XBS.  */
     /*  0xfc008000 FlexBus CS.  */