1.4.2: compile time warnings

[kloczek]

First just summary stats:

[tkloczko@pers-jacek SPECS]$ rpmbuild -ba --quiet 2>&1 | grep -- \\[-W | sed 's/.*\[//; s/\]//' | sort | uniq -c | sort -nr
   1012 -Wsign-compare
     70 -Wclass-memaccess
     18 -Wunused-variable
      6 -Wunused-but-set-variable
      6 -Walloc-size-larger-than=

In attachment are extracted all warnings mold_warnings.txt