remove libgraph, libagraph references in gxl2gv's manpage

The manpages for libgraph and libagraph are not shipped to end users.

diff --git a/cmd/tools/gxl2gv.1 b/cmd/tools/gxl2gv.1
index beff6c9df6a299e3d4ba7956b4991c70f1d7f01c..99e110ed6982b541693384f3cae2a5ca0182d57a 100644 (file)
--- a/cmd/tools/gxl2gv.1
+++ b/cmd/tools/gxl2gv.1
@@ -89,4 +89,4 @@ Krishnam Pericherla <kp@research.att.com>
 .br
 Emden R. Gansner <erg@research.att.com>
 .SH "SEE ALSO"
-dot(1), libgraph(3), libagraph(3), neato(1), twopi(1)
+dot(1), neato(1), twopi(1)