Fix install.sh

bin/install.sh

@@ -88,7 +88,7 @@ elif [ "$EE_LINUX_DISTRO" == "Debian" ]; then
 	ee_lib_package_check graphviz python-software-properties
 fi
 
-if [ ! -x  /usr/bin/tee ] || [ ! -x  /bin/ed ] || [ ! -x  /usr/bin/bc ] || [ ! -x  /usr/bin/wget ] || [ ! -x  /usr/bin/curl ] || [ ! -x  /bin/tar ] || [ ! -x  /usr/bin/git ] || [ -n $EE_PACKAGE_NAME ]; then
+if [ ! -x  /usr/bin/tee ] || [ ! -x  /bin/ed ] || [ ! -x  /usr/bin/bc ] || [ ! -x  /usr/bin/wget ] || [ ! -x  /usr/bin/curl ] || [ ! -x  /bin/tar ] || [ ! -x  /usr/bin/git ] || [ ! -z $EE_PACKAGE_NAME ]; then
 	ee_lib_echo "Installing required packages" | tee -ai $EE_INSTALL_LOG
 	apt-get -y install coreutils ed bc wget curl tar git-core $EE_PACKAGE_NAME || ee_lib_error "Unable to install required packages, exit status = " $?
 fi