Minor fix for price

src/settings.h

@@ -81,7 +81,7 @@ public:
 
     bool    isSaplingActive();
 
-    void    setDRAGONXPrice(double p) { DRGXPrice = p; }
+    void    setDRAGONXPrice(double p) { DRAGONXPrice = p; }
     void    setEURPrice(double p) { EURPrice = p; }
     void    setBTCPrice(double p) { BTCPrice = p; }
     void    setCNYPrice(double p) { CNYPrice = p; }