From ca7726c441034b87b9e9711ca93c3acf775c4505 Mon Sep 17 00:00:00 2001
From: "Yu-Lung Shao (Allen)" <bestlong168@gmail.com>
Date: Fri, 14 Apr 2017 10:08:11 +0800
Subject: [PATCH] Update Dockerfile-56

fixing unexpected message "/bin/sh: 1: [: =: unexpected operator", #798.
---
 php-fpm/Dockerfile-56 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/php-fpm/Dockerfile-56 b/php-fpm/Dockerfile-56
index e44fea02..353e7708 100644
--- a/php-fpm/Dockerfile-56
+++ b/php-fpm/Dockerfile-56
@@ -202,7 +202,7 @@ RUN if [ ${INSTALL_INTL} = true ]; then \
 #####################################
 
 ARG INSTALL_GHOSTSCRIPT=false
-RUN if [ ${GHOSTSCRIPT} = true ]; then \
+RUN if [ ${INSTALL_GHOSTSCRIPT} = true ]; then \
     # Install the ghostscript extension for PDF editing
     apt-get update && \
     apt-get install -y poppler-utils ghostscript \