ofmt pointer in struct ofmt_alias should be const

One more place where an ofmt pointer exists, and it should be
const.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/nasm.h b/nasm.h
index 808f832c..140539e5 100644
--- a/nasm.h
+++ b/nasm.h
@@ -849,7 +849,7 @@ struct ofmt {
 struct ofmt_alias {
     const char  *shortname;
     const char  *fullname;
-    struct ofmt *ofmt;
+    const struct ofmt *ofmt;
 };
 
 extern const struct ofmt *ofmt;