Find bug in func: ne10_img_rotate_get_quad_rangle_subpix_rgba_c

[hejin0402]

file：NE10_rotate.c
function: ne10_img_rotate_get_quad_rangle_subpix_rgba_c
line:141
p0 =NE10_F2|16_SROUND(ptr[1]*a1+ptr[1]*a);
should be:
p0 =NE10_F2|16_SROUND(ptr[1]*a1+ptr[4+1]*a);