Making the script work with both Python2 and 3

Added enclosing parenthesis to the print() statement so it works if the sys default python is changed to Python3.

resources/darwin/bin/code.sh

@@ -3,9 +3,9 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License. See License.txt in the project root for license information.
 
-function realpath() { /usr/bin/python -c "import os,sys; print os.path.realpath(sys.argv[1])" "$0"; }
+function realpath() { /usr/bin/python -c "import os,sys; print(os.path.realpath(sys.argv[1]))" "$0"; }
 CONTENTS="$(dirname "$(dirname "$(dirname "$(dirname "$(realpath "$0")")")")")"
 ELECTRON="$CONTENTS/MacOS/Electron"
 CLI="$CONTENTS/Resources/app/out/cli.js"
 ELECTRON_RUN_AS_NODE=1 "$ELECTRON" "$CLI" "$@"
-exit $?
\ No newline at end of file
+exit $?