Update Adafruit_LEDBackpack/Adafruit_8x8.py

Corrected the offset

Author: pkoock

Adafruit_LEDBackpack/Adafruit_8x8.py

@@ -34,7 +34,7 @@ def setPixel(self, x, y, color=1):
       return
     if (y >= 8):
       return
-    x += 7
+    x += 8
     x %= 8
     # Set the appropriate pixel
     buffer = self.disp.getBuffer()