Replace tiger.ps by tiger.eps.

Reference: /n/sources/patch/applied/page-man-typo
Date: Thu Jun 26 20:53:45 CES 2008
Signed-off-by: djeannot24@gmail.com

--- /sys/man/1/page	Thu Jun 26 20:53:11 2008
+++ /sys/man/1/page	Thu Jun 26 20:53:08 2008
@@ -221,7 +221,7 @@
 .SH EXAMPLES
 .TP
 .L
-page /sys/src/cmd/gs/examples/tiger.ps
+page /sys/src/cmd/gs/examples/tiger.eps
 Display a color PostScript file.
 .TP
 .L