Some fixes found by gcc 8

Author: me-no-dev

cores/esp32/esp32-hal-i2c.c

@@ -1142,7 +1142,7 @@ i2c_err_t i2cProcQueue(i2c_t * i2c, uint32_t *readCount, uint16_t timeOutMillis)
  if(tdq->ctrl.addrReq ==2) { // 10bit address
  taddr =((tdq->ctrl.addr >> 7) & 0xFE)
  |tdq->ctrl.mode;
- taddr = (taddr <<8) || (tdq->ctrl.addr&0xFF);
+ taddr = (taddr <<8) | (tdq->ctrl.addr&0xFF);
  } else { // 7bit address
  taddr = ((tdq->ctrl.addr<<1)&0xFE)
  |tdq->ctrl.mode;

cores/esp32/esp32-hal-time.c

@@ -17,9 +17,9 @@
 
 static void setTimeZone(long offset, int daylight)
 {
- char cst[16] = {0};
- char cdt[16] = "DST";
- char tz[32] = {0};
+ char cst[17] = {0};
+ char cdt[17] = "DST";
+ char tz[33] = {0};
 
  if(offset % 3600){
  sprintf(cst, "UTC%ld:%02u:%02u", offset / 3600, abs((offset % 3600) / 60), abs(offset % 60));