Merge branch 'mega' of https://github.com/letscontrolit/ESPEasy into feature/P095-add-extra-display-types

lib/esp8266-oled-ssd1306/SH1106Wire.h

@@ -84,7 +84,7 @@ class SH1106Wire : public OLEDDisplay {
         // If the minBoundY wasn't updated
         // we can savely assume that buffer_back[pos] == buffer[pos]
         // holdes true for all values of pos
-        if (minBoundY == ~0) return;
+        if (minBoundY == static_cast<uint8_t>(~0)) return;
 
         // Calculate the colum offset
         uint8_t minBoundXp2H = (minBoundX + 2) & 0x0F;