Update qemu build script: now tries to upload result back to host

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

qemu_multiarch_testing/hdc.dir/init2

@@ -6,10 +6,14 @@ echo "Building"
 	cd strace &&
 	./configure &&
 	make &&
-	echo "Build: SUCCESS" &&
+	echo "Build: SUCCESS"
+	size strace
 	./strace
 	# strace may segfault, let's see exit code
 	echo "Exit code: $?"
+	./strace /bin/true
+	echo "Exit code: $?"
+	ftpput -P "$FTP_PORT" "$FTP_SERVER" strace
 ) 2>&1 | tee strace_build.log
 mount -o remount,ro /home
 sync