Add prgma once to Utilities file

PixelHub-Client/Utilities.cpp

@@ -1,7 +1,6 @@
 //#include <string.h>
 //#include <algorithm>
 
-
 int findChar(char* str, char targetChar)
 {
 	for(int i = 0; str[i] != '\0'; i++) {

PixelHub-Client/Utilities.h

@@ -7,6 +7,8 @@
  * Thanks to Rob Miles for getting me into this :-)
  */
 
+#pragma once
+
 int findChar(char* str, char targetChar);
 
 int getPosition(const char *array, int size, char c);