AnHardt 7e36b76af2 Repair MarlinSerial with TX-buffer ...

These '{' are important to avoid the redefinition of `unsigned char _sreg = SREG;`
at the same level.
Used in
```
#define CRITICAL_SECTION_START  unsigned char _sreg = SREG; cli();
```

2016-08-22 23:40:09 +02:00

13 KiB

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