#87 total LOC are not consistent

[Liu Hongyun]

The below is statistic result of "statsvn on statsvn", but the total lines of code in three categories are different:
1. developer statistic
AuthorAuthorId Changes LinesofCode LinesperChange
Totals 2225 (100.0%) 30488 (100.0%) 13.7

2. files type statistic
Type Files LOC LOC per file
Totals 162 (100.0%) 12720 (100.0%) 78.5

3. directory statistic
Directory Changes Lines of Code
Totals 2373 (100.0%) 13245 (100.0%)

Three values are repective 30488, 12720 and 13245, they are not same.