http://bugs.gentoo.org/342817

--- catdvi-0.14-orig/kpathsea.c
+++ catdvi-0.14/kpathsea.c
@@ -36,7 +36,6 @@
 
 void version_findtfm(void)
 {
-        extern char * kpathsea_version_string;
         puts(kpathsea_version_string);
 }