* gdb.mi/mi-var-child.c

    * gdb.mi/mi-var-child.c
        (do_children_tests): User char[2] instead of
        char so that automatic printing of pointers to char
        don't give unpredicable result.
        * gdb.mi/var-cmd.c (do_locals_test): Initialize
        local variables.
        * gdb.mi/mi-var-child.exp: Step to right line
        of do_children_tests.
        * gdb.mi/mi2-var-child.exp: Likewise.
        * gdb.mi/mi-var-cmd.exp: Step to right line of
        do_locals_tests.
        (do_children_tests): User char[2] instead of
        char so that automatic printing of pointers to char
        don't give unpredicable result.
        * gdb.mi/mi2-var-cmd.exp: Likewise.
        * lib/mi-support.exp (mi_continue_to_line):
        Pass test name to mi_wait_for_stop.