Make bitmask tables static const

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5425 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/thunk.h b/thunk.h
index 017a327..effc5e2 100644
--- a/thunk.h
+++ b/thunk.h
@@ -155,8 +155,8 @@
 #endif /* NO_THUNK_TYPE_SIZE */
 
 unsigned int target_to_host_bitmask(unsigned int x86_mask,
-                                    bitmask_transtbl * trans_tbl);
+                                    const bitmask_transtbl * trans_tbl);
 unsigned int host_to_target_bitmask(unsigned int alpha_mask,
-                                    bitmask_transtbl * trans_tbl);
+                                    const bitmask_transtbl * trans_tbl);
 
 #endif