octave-control: update to version 3.1.0

math/octave-control/Portfile

@@ -4,8 +4,7 @@ PortSystem          1.0
 PortGroup           octave 1.0
 PortGroup           compilers 1.0
 
-octave.setup        control 3.0.0
-revision            3
+octave.setup        control 3.1.0
 platforms           darwin
 license             GPL-3+
 maintainers         {mps @Schamschula} openmaintainer
@@ -14,8 +13,8 @@ description         Computer-Aided Control System Design (CACSD) \
                     SLICOT Library.
 long_description    ${description}
 
-checksums           rmd160 75e279c8ab257390c897900b9ba4c12c0422a468 \
-		            sha256 41e9a5627565444140cf8bb8cf978239245355a6fc7d61ff122327d8f822eca6
+checksums           rmd160 e2c88548d09e1e7b2a69cda4fea6b10358a0eeef \
+		            sha256 741dcfafc85b280e9ebbd2ea160b8ffa224fa840d801f64676403d4c5aefe57b
 
 compilers.choose    fc f77 f90
 compilers.setup     require_fortran -dragonegg