* solib-svr4.c (svr4_keep_data_in_core): Remove unused lmo.
        (svr4_read_so_list): Remove unused lmo.
        * solib-target.c (solib_target_relocate_section_addresses): Remove
        unused flags.

Reference: http://sourceware.org/ml/gdb-patches/2013-01/msg00744.html