unload_pxe(): fix string in dprintf()

Fix a dprintf() message so it matches reality.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
diff --git a/core/fs/pxe/bios.c b/core/fs/pxe/bios.c
index 91b48fe..ddf9982 100644
--- a/core/fs/pxe/bios.c
+++ b/core/fs/pxe/bios.c
@@ -361,7 +361,7 @@
 
     api = 0xff00;
     if (real_base_mem <= bios_fbm()) {  /* Sanity check */
-	dprintf("FBM %d < real_base_mem %d\n", bios_fbm(), real_base_mem);
+	dprintf("FBM %d > real_base_mem %d\n", bios_fbm(), real_base_mem);
 	goto cant_free;
     }
     api++;