Update libregexp with recent bug fixes from Plan 9.
diff --git a/src/libregexp/regcomp.h b/src/libregexp/regcomp.h
index a6728b0..6c88cd0 100644
--- a/src/libregexp/regcomp.h
+++ b/src/libregexp/regcomp.h
@@ -68,7 +68,7 @@
Rune* reol;
};
-extern Relist* _renewthread(Relist*, Reinst*, Resublist*);
+extern Relist* _renewthread(Relist*, Reinst*, int, Resublist*);
extern void _renewmatch(Resub*, int, Resublist*);
-extern Relist* _renewemptythread(Relist*, Reinst*, char*);
-extern Relist* _rrenewemptythread(Relist*, Reinst*, Rune*);
+extern Relist* _renewemptythread(Relist*, Reinst*, int, char*);
+extern Relist* _rrenewemptythread(Relist*, Reinst*, int, Rune*);