Update astyle to 3.4.12

as astyle 3.1 is no longer available in the latest FreeBSD.

Also, astyle upstream repository has been moved to GitLab. Switched git
to obtain astyle source.

https://gitlab.com/saalen/astyle

scripts/install_astyle.sh

@@ -15,8 +15,8 @@ INSTALL_ROOT=~/astyle.local
 # ----------------------------------------------------------------------------
 usage()
 {
-    echo "** Usage: $0 <svn-tags-url> <tag-name>"
-    echo "   e.g. $0 https://svn.code.sf.net/p/astyle/code/tags 3.1"
+    echo "** Usage: $0 <git-repo> <version-tag>"
+    echo "   e.g. $0 https://gitlab.com/saalen/astyle.git 3.4.12"
 } >&2
 
 # ----------------------------------------------------------------------------
@@ -80,9 +80,12 @@ fi
     # Put everything in this directory
     FILESDIR=$INSTALL_ROOT/$ASTYLE_VER
 
-    svn checkout ${REPO_URL}/${ASTYLE_VER}/AStyle "$workdir"
-
+    git clone --sparse ${REPO_URL} "$workdir"
     cd "$workdir"
+    git sparse-checkout set AStyle
+    git checkout tags/${ASTYLE_VER}
+
+    cd "AStyle"
 
     make_args="DESTDIR=$FILESDIR"