hostname may not NULL-terminate the string if the buffer is too small.

Thanks to Kevin M. Hildebrand for catching this.

cmr=v1.7.3:reviewer=jsquyres

This commit was SVN r29412.

opal/util/output.c

@@ -172,6 +172,7 @@ bool opal_output_init(void)
         verbose.lds_want_stderr = true;
     }
     gethostname(hostname, sizeof(hostname));
+    hostname[sizeof(hostname)-1] = '\0';
     asprintf(&verbose.lds_prefix, "[%s:%05d] ", hostname, getpid());
 
     for (i = 0; i < OPAL_OUTPUT_MAX_STREAMS; ++i) {