Revert part of applink/Borland commit

This allows developer to glue DLL built with VC into their application
compiled with Borland C.

Reviewed-by: Andy Polyakov <appro@openssl.org>

ms/applink.c

@@ -75,7 +75,16 @@ extern "C" {
 
 __declspec(dllexport)
 void **
- __cdecl
+# if defined(__BORLANDC__)
+/*
+ * __stdcall appears to be the only way to get the name
+ * decoration right with Borland C. Otherwise it works
+ * purely incidentally, as we pass no parameters.
+ */
+__stdcall
+# else
+__cdecl
+# endif
 OPENSSL_Applink(void)
 {
     static int once = 1;