--- rpl/rplawk/lex.c	2010/09/07 12:53:05	1.1
+++ rpl/rplawk/lex.c	2013/06/12 09:47:52	1.2
@@ -411,7 +411,7 @@ int string(void)
 				}
 				*px = 0;
 				unput(c);
-	  			sscanf(xbuf, "%x", &n);
+	  			sscanf(xbuf, "%x", (unsigned int *) &n);
 				*bp++ = n;
 				break;
 			    }