Fix isitme(), which is used to check if node-specific configuration

belongs to our node, and was returning false positive if the first
part of a node name matches short hostname.

Approved by:	pjd (mentor)

sbin/hastd/parse.y

@@ -92,8 +92,10 @@ isitme(const char *name)
 	 * Now check if it matches first part of the host name.
 	 */
 	pos = strchr(buf, '.');
-	if (pos != NULL && pos != buf && strncmp(buf, name, pos - buf) == 0)
+	if (pos != NULL && (size_t)(pos - buf) == strlen(name) &&
+	    strncmp(buf, name, pos - buf) == 0) {
 		return (1);
+	}
 
 	/*
 	 * At the end check if name is equal to our host's UUID.