free NULL cleanup -- coda

After the finale, the "real" final part. :)  Do a recursive grep with
"-B1 -w [a-zA-Z0-9_]*_free" to see if any of the preceeding lines are
an "if NULL" check that can be removed.

Reviewed-by: Tim Hudson <tjh@openssl.org>
diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index 4610e7f..c2fddb8 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -3131,8 +3131,7 @@
     if (s->s3->handshake_dgst)
         ssl3_free_digest_list(s);
 #ifndef OPENSSL_NO_TLSEXT
-    if (s->s3->alpn_selected)
-        OPENSSL_free(s->s3->alpn_selected);
+    OPENSSL_free(s->s3->alpn_selected);
 #endif
 
 #ifndef OPENSSL_NO_SRP