contiki-os/contiki — pull request #798 by marcas756 (2014-10-04 19:31:14+00:00)
Title: Fix Warning “transfer of control bypasses initialization of PT_YIELD_FLAG

- Added LC_SET_YIELD(lc,retval) to switch and addrlabels version of lc
- Modified PT_BEGIN,PT_END,PT_YIELD and PT_YIELD_UNTIL to work with
LC_SET_YIELD