Change config file indentation to 2 spaces

outputs/opentsdb/opentsdb.go

@@ -22,18 +22,18 @@ type OpenTSDB struct {
 }
 
 var sampleConfig = `
-	# prefix for metrics keys
-	prefix = "my.specific.prefix."
+  # prefix for metrics keys
+  prefix = "my.specific.prefix."
 
-	## Telnet Mode ##
-	# DNS name of the OpenTSDB server in telnet mode
-	host = "opentsdb.example.com"
+  ## Telnet Mode ##
+  # DNS name of the OpenTSDB server in telnet mode
+  host = "opentsdb.example.com"
 
-	# Port of the OpenTSDB server in telnet mode
-	port = 4242
+  # Port of the OpenTSDB server in telnet mode
+  port = 4242
 
-	# Debug true - Prints OpenTSDB communication
-	debug = false
+  # Debug true - Prints OpenTSDB communication
+  debug = false
 `
 
 type MetricLine struct {