Fix font-lock in bin/lein

bin/lein

@@ -172,7 +172,7 @@ export JAVA_CMD="${JAVA_CMD:-"java"}"
 export LEIN_JAVA_CMD="${LEIN_JAVA_CMD:-$JAVA_CMD}"
 
 if [[ "$(basename "$LEIN_JAVA_CMD")" == *drip* ]]; then
-    export DRIP_INIT="$(printf -- "-e\n(require 'leiningen.repl)")"
+    export DRIP_INIT="$(printf -- '-e\n(require (quote leiningen.repl))')"
 fi
 
 # Support $JAVA_OPTS for backwards-compatibility.
@@ -216,7 +216,7 @@ elif [ "$1" = "upgrade" ]; then
         echo "You do not have permission to upgrade the installation in $SCRIPT"
         exit 1
     else
-        TARGET_VERSION="${2:-"preview"}"
+        TARGET_VERSION="${2:-'preview'}"
         echo "The script at $SCRIPT will be upgraded to the latest $TARGET_VERSION version."
         echo -n "Do you want to continue [Y/n]? "
         read RESP