Add BSD-specific signal SIGINFO to the list.

	-mi

--- generic/tclXsignal.c	Thu Feb  3 20:34:01 2005
+++ generic/tclXsignal.c	Mon Jun 26 20:46:11 2006
@@ -172,4 +172,7 @@
     {"XFSZ",    SIGXFSZ},
 #endif
+#ifdef SIGINFO
+    {"INFO",	SIGINFO},
+#endif
     {NULL,         -1}};