libraries/SimGear: Updated for version 2020.1.1.

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

libraries/SimGear/README

@@ -3,4 +3,5 @@ blocks for quickly assembling 3d simulations, games, and visualization
 applications.
 
 For those wanting to build this in current (15.0 EXPERIMENTAL), pass
-CURRENT=yes to the script.
+CURRENT=yes to the script (currently broken ATM because of the new boost
+version but I'm working on it).

libraries/SimGear/SimGear.SlackBuild

@@ -24,7 +24,7 @@
 
 PRGNAM=SimGear
 SRCNAM=simgear
-VERSION=${VERSION:-2018.3.5}
+VERSION=${VERSION:-2020.1.1}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 

libraries/SimGear/SimGear.info

@@ -1,8 +1,8 @@
 PRGNAM="SimGear"
-VERSION="2018.3.5"
+VERSION="2020.1.1"
 HOMEPAGE="http://wiki.flightgear.org/SimGear"
-DOWNLOAD="https://downloads.sourceforge.net/flightgear/simgear-2018.3.5.tar.bz2"
-MD5SUM="33a70ca5b2325d180f2d933f5a7283f3"
+DOWNLOAD="https://downloads.sourceforge.net/flightgear/simgear-2020.1.1.tar.bz2"
+MD5SUM="d50075fc2683fb2b8b21b018b09b28f3"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="OpenSceneGraph freealut plib"