changed paths to other init files to absolute paths

init_hdl.sh

@@ -95,10 +95,10 @@ for altera_dir in ${ALTERA_DIR}/*; do
 done
 
 # source also radiohdl, args and vhdl_style tools
-. ../radiohdl/init_radiohdl.sh
+. ${GIT}/radiohdl/init_radiohdl.sh
 if [[ -d "${HDL_WORK}/../args" ]]; then
-    . ../args/init_args.sh
+    . ${GIT}/args/init_args.sh
 fi
 if [[ -d "${HDL_WORK}/../vhdlstyle" ]]; then
-    . ../vhdlstyle/init_vhdl_style.sh
+    . ${GIT}/vhdlstyle/init_vhdl_style.sh
 fi