diff -Naur lcms-1.10/jpegicc/jpegicc.c lcms-1.10-valist/jpegicc/jpegicc.c
--- lcms-1.10/jpegicc/jpegicc.c	2003-04-15 03:38:33.000000000 -0500
+++ lcms-1.10-valist/jpegicc/jpegicc.c	2003-05-18 20:37:25.000000000 -0500
@@ -84,13 +84,13 @@
 } ErrorHandler;
 
 static
-void ConsoleWarningHandler(const char* module, const char* fmt, va_list ap)
+void ConsoleWarningHandler(const char* module, const char* fmt)
 {
         char e[512] = { '\0' };
         if (module != NULL)
               strcat(strcpy(e, module), ": ");
 
-        vsprintf(e+strlen(e), fmt, ap);
+        strcat(e, fmt);
         strcat(e, ".");
         if (Verbose) {
 
@@ -141,7 +141,7 @@
   char buffer[JMSG_LENGTH_MAX];
 
   (*cinfo->err->format_message) (cinfo, buffer);
-  ConsoleWarningHandler(PROGNAME, buffer, NULL);
+  ConsoleWarningHandler(PROGNAME, buffer);
 }