fix env var name in example

Signed-off-by: Travis Glenn Hansen <travisghansen@yahoo.com>

Author: travisghansen

.env.example

@@ -2,7 +2,7 @@
 # PFSENSE_USERNAME="admin"
 # PFSENSE_PASSWORD="secret"
 # PFSENSE_INSECURE="false"
-# PFSENSE_PFSENSE_SSLCAPATH=/tmp/ssl/ca-dir
+# PFSENSE_SSLCAPATH=/tmp/ssl/ca-dir
 # PFSENSE_SSLCAFILE=/tmp/ssl/ca-file
 # leave blank/unset to disable (the default)
 # PFSENSE_HTTPKEEPALIVE=true