Dollar signs must be escaped in Makefile

Makefile

@@ -37,9 +37,9 @@ all: httpd-service httpd-logrotate
 	cat /etc/httpd/httpd.conf | sed -n '/^# DirectoryIndex:/,/^# The following/{ /^# The following.*$$/d; p; }' > /etc/httpd/conf/DirectoryIndex.conf
 	sed '/^# DirectoryIndex:/,/^# The following/{/^# The following/!d}' -i /etc/httpd/httpd.conf
 	@echo "IncludeOptional conf/*.conf" >> /etc/httpd/httpd.conf
-	sed 's/^\s*CustomLog\(.*\)common$/    # CustomLog\1common/g' -i /etc/httpd/httpd.conf
-	sed '/^\s*LogFormat\(.*\)combined$/a \    LogFormat "%{X-Forwarded-For}i %l %u %t \\"%r\\" %>s %b \\"%{Referer}i\\" \\"%{User-Agent}i\\"" proxy' -i /etc/httpd/httpd.conf
-	sed '/^\s*#CustomLog.*combined$/a \    SetEnvIf X-Forwarded-For "^.*\\..*\\..*\\..*" forwarded\n    CustomLog "/var/log/httpd/access.log" combined env=!forwarded\n    CustomLog "/var/log/httpd/access.log" proxy env=forwarded' -i /etc/httpd/httpd.conf
+	sed 's/^\s*CustomLog\(.*\)common$$/    # CustomLog\1common/g' -i /etc/httpd/httpd.conf
+	sed '/^\s*LogFormat\(.*\)combined$$/a \    LogFormat "%{X-Forwarded-For}i %l %u %t \\"%r\\" %>s %b \\"%{Referer}i\\" \\"%{User-Agent}i\\"" proxy' -i /etc/httpd/httpd.conf
+	sed '/^\s*#CustomLog.*combined$$/a \    SetEnvIf X-Forwarded-For "^.*\\..*\\..*\\..*" forwarded\n    CustomLog "/var/log/httpd/access.log" combined env=!forwarded\n    CustomLog "/var/log/httpd/access.log" proxy env=forwarded' -i /etc/httpd/httpd.conf
 	@echo "d /run/httpd 755 root root -" > /usr/lib/tmpfiles.d/httpd.conf
 	@echo "$$HTTPD_LOGROTATE" > /etc/logrotate.d/httpd
 	@echo "$$HTTPD_SERVICE" > /lib/systemd/system/httpd.service