Correct the operator in the comment so that it matches the actual #if
Add comments to the #else and #endifs to make it clearer to what #ifdef they belong.
Merge pull request #505 from adamdunkels/push/fix-the-fix-that-fixes-the-fix

Fix the bug in the IPv6 bugfix
Fix buggy UART baudrate calculation in the RL78 UART driver.
Increase the default baudrate to 38400 bps for RL78.
Add cpu/rl78/dev/uart1.h because some examples rely on it.
Merge pull request #534 from hexluthor/rl78-fixes

UART-related fixes for Renesas RL78
Merge remote-tracking branch 'upstream/master'