Rename a variable to avoid conflicts.

Author: Maxime Jobin

rocket-nginx.conf

@@ -24,7 +24,7 @@ set $rocket_encryption "";			# Is GZIP accepted by client ?
 set $rocket_file "";				# Filename to use
 set $rocket_is_bypassed "No";			# Header text added to check if the bypass worked or not. Header: X-Rocket-Nginx-Bypass
 set $rocket_reason "";				# Reason why cache file was not used. If cache file is used, what file was used
-set $https_prefix "";					# HTTPS prefix to use when cached files are using HTTPS
+set $rocket_https_prefix "";					# HTTPS prefix to use when cached files are using HTTPS
 
 
 ###################################################################################################
@@ -38,11 +38,11 @@ if ($http_accept_encoding ~ gzip) {
 
 # Is SSL request ?
 if ($https = "on") {
-	set $https_prefix "-https";
+	set $rocket_https_prefix "-https";
 }
 
 # File/URL to return IF we must bypass WordPress
-set $rocket_url "/wp-content/cache/wp-rocket/$http_host/$request_uri/index$https_prefix.html$rocket_encryption";
+set $rocket_url "/wp-content/cache/wp-rocket/$http_host/$request_uri/index$rocket_https_prefix.html$rocket_encryption";
 set $rocket_file "$document_root$rocket_url";