fix openssl

packages/o/openssl/xmake.lua

@@ -14,10 +14,6 @@ package("openssl")
     add_versions("1.0.2u", "493f8b34574d0cf8598adbdec33c84b8a06f0617787c3710d20827c01291c09c")
     add_versions("1.0.0",  "9b67e5ad1a4234c1170ada75b66321e914da4f3ebaeaef6b28400173aaa6b378")
 
-    if is_plat("linux") then
-        add_syslinks("pthread")
-    end
-
     on_fetch("fetch")
 
     on_load(function (package)
@@ -37,7 +33,7 @@ package("openssl")
         if package:is_plat("windows", "mingw") then
             package:add("syslinks", "ws2_32", "user32", "crypt32", "advapi32")
         elseif package:is_plat("linux", "cross") then
-            package:add("syslinks", "dl")
+            package:add("syslinks", "pthread", "dl")
         end
         if package:is_plat("linux") then
             package:add("extsources", "apt::libssl-dev")