--- code/trunk/pcre_valid_utf8.c	2008/01/20 20:07:32	305
+++ code/trunk/pcre_valid_utf8.c	2008/08/24 16:53:47	369
@@ -154,6 +154,9 @@
     if ((*(++p) & 0xc0) != 0x80) return p - string;
     }
   }
+#else
+(void)(string);  /* Keep picky compilers happy */
+(void)(length);  
 #endif
 
 return -1;