minifi-cpp: fix python shebang in minifi-python

Replace '/usr/bin/env python' with '/usr/bin/env python3' in the scripts
under ${libexecdir}/minifi-python.

Signed-off-by: Jiaying Song <jiaying.song.cn@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>

meta-oe/recipes-extended/minifi-cpp/minifi-cpp_0.15.0.bb

@@ -179,6 +179,10 @@ do_install() {
 
         sed -i "s|@MINIFI_LOG@|${MINIFI_LOG}|g" ${D}${sysconfdir}/default/volatiles/99_minifi
     fi
+    
+    for ss in $(find ${D}${libexecdir}/minifi-python -type f); do
+        sed -i 's,/usr/bin/env python$,/usr/bin/env python3,' "$ss"
+    done
 }
 
 pkg_postinst:${PN}() {