[glib-networking/ci-windows] Fix how we detect openssl without pkgconfig

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 954c7eb4dc3b6f58f1d6b76ef0f1ac26b7833184
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Tue Jan 7 19:34:53 2020 +0100

    Fix how we detect openssl without pkgconfig

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 6e3a1ae..965643c 100644
--- a/meson.build
+++ b/meson.build
@@ -110,7 +110,7 @@ else
     if libcrypto_dep.found()
       libssl = 'ssl'
     else
-      libcrypto_dep = cc.find_library('eay32', required: openssl_option)
+      libcrypto_dep = cc.find_library('eay32', required: false)
       libssl = 'ssleay32'
     endif