update_pch: add basegfx

29s -> 14s

Change-Id: If9fe85d21d471b13c92a3ca1f1af57f146c8565d
fix-includes.pl: svl

Change-Id: I18fb7a677e2bb98c83f43f5af3fa988393dc23f9
update_pch: add svl

55s -> 28s

How to find possible pch candidates:

for i in `git grep -l 'gb_Library_set' -- '*.mk' | sort -u`; do
   if [ $(git grep 'precompiled_' $i | wc -l) == 0 ]; then
      echo missing: $(sed -n -e '/gb_Library_add_exception_objects/,/))/ p' $i | wc -l) files in $i
   else
      echo ok: $i
   fi
done | sort -h -t' ' -k2

Change-Id: Ib9fe16c0afb6e6687881c987c3af7bf59b929fd4