Update metis to 4.0.3.
PR pkg/47783 by Litvinov Sergey.

METIS 4.0.3, 3/19/11
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r9587 | karypis | 2011-03-19 12:22:36 -0500 (Sat, 19 Mar 2011) | 1 line

- Renamed log2() to ilog2() to remove conflicts with C99 log2() function
- Fixed I/O routines to eliminate compilation warnings
- Fixed error reporting routines to eliminate compilation warnings


METIS 4.0.2, 3/10/04
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- Fixed a problem with weighted graphs and ometis.c


METIS 4.0.1, 11/29/98
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This is mostly a bug-fix release

  - Fixed some bugs in the multi-constraint partitioning routines
  - Fixed some bugs in the volume-minimization routines
Updated math/metis to 4.0.3
+metis-5.1.0
Fix for PR#47761
Changes 4.6.3:
* NEW space raises console for console mode gnuplot on Windows
* CHANGE -persist mode does not open text window of wgnuplot
* FIX -persist mode broken on Windows
* FIX -persist mode results in zombie process if using wxt terminal on Windows
* FIX suppression of color in linetypes after "set term ... mono"
* FIX synchronization of graphics and text color in latex terminals
Updated graphics/gnuplot to 4.6.3
Used by devel/libtool-fortran/Makefile too.
update missing entry in glu/PLIST
update missing entry in glut/PLIST