10132 smatch fixes for MDB
Reviewed by: Andy Fiddaman <andy@omniosce.org>

@@ -22,11 +22,11 @@
 /*
  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 /*
- * Copyright 2015 Joyent, Inc.
+ * Copyright (c) 2018, Joyent, Inc.
  */
 
 /*
  * User Process Target Intel 32-bit component
  *

@@ -248,12 +248,10 @@
                 p += mdb_snprintf(p, (size_t)(end - p), "|IC");
 
         /*
          * Decode precision, rounding, and infinity options in control word.
          */
-        if (cw & FPSIG24)
-                p += mdb_snprintf(p, (size_t)(end - p), "|SIG24");
         if (cw & FPSIG53)
                 p += mdb_snprintf(p, (size_t)(end - p), "|SIG53");
         if (cw & FPSIG64)
                 p += mdb_snprintf(p, (size_t)(end - p), "|SIG64");