ARM regression

In today's update wrt ml u-boot, there was 1 regression.

VCMA9
cmd_ximg.c: In function 'do_imgextract':
cmd_ximg.c:234: error: 'i' undeclared (first use in this function) cmd_ximg.c:234: error: (Each undeclared identifier is reported only once cmd_ximg.c:234: error: for each function it appears in.)