NuttX and artik053 build - compiling with strict Werror=conversion - fail when jerry-debugger option is enabled.
This patch based on #2007, because most of them are fixed earlier within that PR, but it was closed before the land.
Credit: Piotr Marcinkiewicz p.marcinkiew@samsung.com
JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com