one subshell less

[[Imported from SVN: r5702]]

bin/dunedoxynize

@@ -162,7 +162,7 @@ if [ $# -gt 0 ]; then
 fi
 
 # make sure that there is at least one Doxylocal file
-if ! ( test_doxylocal "${@:-.}" || [ $# -eq 0 ] ); then
+if ! test_doxylocal "${@:-.}" && [ $# -gt 0 ]; then
   echo "Error: you didn't supply any valid Doxylocal file"
   exit 1
 fi