build_lofar.sh: remove bad double-quoting for init.sh

build_lofar.sh

@@ -706,8 +706,8 @@ EOT
     echo "export PATH=\"\$lofar_prefix/$p/bin:\$PATH\""
     test -d "$pp/lib" &&
       cat <<EOT
-export LD_RUN_PATH=\"\$lofar_prefix/$p/lib:\$LD_RUN_PATH\"
-export LIBRARY_PATH=\"\$lofar_prefix/$p/lib:\$LIBRARY_PATH\"
+export LD_RUN_PATH="\$lofar_prefix/$p/lib:\$LD_RUN_PATH"
+export LIBRARY_PATH="\$lofar_prefix/$p/lib:\$LIBRARY_PATH"
 EOT
     test -d "$pp/include" &&
       echo "export CPATH=\"\$lofar_prefix/$p/include:\$CPATH\""