include unistd.h for smallint
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
(cherry picked from commit df9130a0dc1c9e3553fcfee68bb8a809e4f4a458)
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>