Update to new upstream release 1.41.10.

Lots of bugfixes, ouf of these are noteworthy:
Fixes several bugs around flex_bg (hopefully also the one on sparc64)
Fixes alignment of bitmaps to 4-byte boundaries.
The build process now uses standard variables for tuning compiler and linker
settings and no longer relies on --with-ccopt and similar options.

Approved by: garga@ (mentor)