Fix filename in comment.
diff --git a/crypto/x509v3/v3_alt.c b/crypto/x509v3/v3_alt.c
index 2da6e7a..410aa15 100644
--- a/crypto/x509v3/v3_alt.c
+++ b/crypto/x509v3/v3_alt.c
@@ -1,4 +1,4 @@
-/* v3_bcons.c */
+/* v3_alt.c */
 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
  * project 1999.
  */