Older versions of SINIX C development system inherited a bug from
SGI' cc; enable workaround.
Submitted by: Martin Kraemer
diff --git a/e_os.h b/e_os.h
index 678e4d5..bbb1c30 100644
--- a/e_os.h
+++ b/e_os.h
@@ -351,6 +351,9 @@
 #ifdef sgi
 #define IRIX_CC_BUG	/* all version of IRIX I've tested (4.* 5.*) */
 #endif
+#ifdef SNI
+#define IRIX_CC_BUG	/* CDS++ up to V2.0Bsomething suffered from the same bug.*/
+#endif
 
 #ifdef NO_MD2
 #define MD2_Init MD2Init