test/build.info: typo, $ missing

Reviewed-by: NMatt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1832)

test/build.info

@@ -282,7 +282,7 @@ IF[{- !$disabled{tests} -}]
     DEPEND[dtls_mtu_test]=../libcrypto ../libssl
   ENDIF
 
-  IF[{- !disabled{shared} -}]
+  IF[{- !$disabled{shared} -}]
     PROGRAMS_NO_INST=shlibloadtest
     SOURCE[shlibloadtest]=shlibloadtest.c
     INCLUDE[shlibloadtest]=../include