Detector: fix formatting - no idea how this escaped scrutiny...

(cherry picked from commit 6810ce0f)

src/core/detector/Detector.hpp

@@ -319,7 +319,7 @@ namespace corryvreckan {
 
         // Path of calibration file
         std::string m_calibrationfile;
-        
+
         // List of masked channels
         std::map<int, bool> m_masked;
         std::string m_maskfile;