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612aec09e8
This change helps Unity parse and print correctly in cases where a long
or long long type is passed to TEST_PRINTF.
Example situations:
```C
// With %u:
TEST_PRINTF("%u %d\n", ((1ULL << 63) - 1), 5); // --> prints 11982546 -1 (both arguments incorrect because only 4 of the 8 bytes were read out of the va_list)
// With %llu, UNITY_SUPPORT_64=0
TEST_PRINTF("%llu %d\n", ((1ULL << 63) - 1), 5); // --> prints 4294967295 5 (first argument wrapped, second argument intact)
// With %llu, UNITY_SUPPORT_64=1
TEST_PRINTF("%llu %d\n", ((1ULL << 63) - 1), 5); // --> prints 9223372036854775807 5 (both arguments correct)
```