Run command "make clean cppcheck".

---- static analyzer - cppcheck ----
cppcheck . --force --enable=warning,portability,performance,style --error-exitcode=1 > /dev/null
cli/xsum_os_specific.c:220:9: style: The scope of the variable 'ret' can be reduced. [variableScope]
    int ret;
        ^
cli/xsum_sanity_check.c:571:19: style: Condition 'len>0' is always true [knownConditionTrueFalse]
    } else if (len>0) {
                  ^
cli/xsum_sanity_check.c:569:13: note: Assuming that condition 'len==0' is not redundant
    if (len == 0) {
            ^
cli/xsum_sanity_check.c:571:19: note: Condition 'len>0' is always true
    } else if (len>0) {
                  ^
tests/bench/benchHash.c:112:55: error: Uninitialized variables: result.internal_never_ever_use_directly, result.error_result_never_ever_use_directly, result.error_tag_never_ever_use_directly [uninitvar]
    BMK_runTime_t const runTime = BMK_extract_runTime(result);
                                                      ^
tests/bench/benchHash.c:107:12: note: Assuming condition is false
    while (!BMK_isCompleted_TimedFn(txf)) {
           ^
tests/bench/benchHash.c:107:12: note: Assuming condition is false
    while (!BMK_isCompleted_TimedFn(txf)) {
           ^
tests/bench/benchHash.c:107:12: note: Assuming condition is false
    while (!BMK_isCompleted_TimedFn(txf)) {
           ^
tests/bench/benchHash.c:112:55: note: Uninitialized variables: result.internal_never_ever_use_directly, result.error_result_never_ever_use_directly, result.error_tag_never_ever_use_directly
    BMK_runTime_t const runTime = BMK_extract_runTime(result);
                                                      ^
tests/bench/benchfn.c:95:12: error: Uninitialized variable: outcome.error_result_never_ever_use_directly [uninitvar]
    return outcome;
           ^
tests/collisions/main.c:209:14: style: Same expression on both sides of '<='. [duplicateExpression]
    assert(m <= m);
             ^
make: *** [Makefile:387: cppcheck] Error 1

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>