PKG: uset LD_LIBRARY_PATH in otbenv.prfofile

SuperBuild/Packaging/Files/otbenv.profile

 #!/bin/sh
 
-cd `dirname $0`
+DIRNAME_0=$(dirname "$0")
+cd  "$DIRNAME_0"
 
-CURRENT_DIR=`pwd`
+CURRENT_DIR=$(pwd)
+
+unset LD_LIBRARY_PATH
 
 PATH=$PATH:$CURRENT_DIR/bin
 GDAL_DATA=$CURRENT_DIR/share/gdal
@@ -11,3 +14,4 @@ GEOTIFF_CSV=$CURRENT_DIR/share/epsg_csv
 export PATH
 export GDAL_DATA
 export GEOTIFF_CSV
+