Changes to have OpenSSL compile on OS/2.
Contributed by "Brian Havard" <brianh@kheldar.apana.org.au>
diff --git a/e_os2.h b/e_os2.h
index 5ebd748..18b6852 100644
--- a/e_os2.h
+++ b/e_os2.h
@@ -136,6 +136,12 @@
 # endif
 #endif
 
+/* --------------------------------- OS/2 ---------------------------------- */
+#if defined(__EMX__) || defined(__OS2__)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_OS2
+#endif
+
 /* --------------------------------- Unix ---------------------------------- */
 #ifdef OPENSSL_SYS_UNIX
 # if defined(linux) || defined(OPENSSL_SYSNAME_LINUX)