util/shlib_wrap.sh is now auto-generated so tell git to ignore it

Signed-off-by: NRich Salz <rsalz@openssl.org>
Reviewed-by: NRichard Levitte <levitte@openssl.org>

.gitignore

@@ -72,6 +72,7 @@ Makefile
 /include/openssl/opensslconf.h
 /tools/c_rehash
 /tools/c_rehash.pl
+/util/shlib_wrap.sh
 /tags
 /TAGS
 /crypto.map