The __FUNCTION__ is not part of the C99/C++11 standard.
So replace all occurrences with the standard __func__.
Side note: GCC 5.1 warns when using -Wpedantic -std=c99
and __FUNCTION__.
JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com