Fix WinCE config target

vc_wince_info()->{defines} was left around, when it should be
vc_wince_info()->{cppflags}

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5182)

Configurations/10-main.conf

diff --git a/Configurations/10-main.conf b/Configurations/10-main.conf
index 21b4f3b..6830294 100644
--- a/Configurations/10-main.conf
+++ b/Configurations/10-main.conf
@@ -1433,7 +1433,7 @@
                                      : " /MC"; }),
                    debug   => "/Od",
                    release => "/O1i"),
-        cppflags         => sub { vc_wince_info()->{defines}; },
+        cppflags         => sub { vc_wince_info()->{cppflags}; },
         defines          =>
             picker(default => [ "UNICODE", "_UNICODE", "OPENSSL_SYS_WINCE",
                                 "WIN32_LEAN_AND_MEAN", "L_ENDIAN", "DSO_WIN32",