Make qemu-1.4.2 build on NetBSD/arm 6.1

NetBSD/i386 6.1 on QEMU on NetBSD/hpcarm 6.1 on W-ZERO3 somewhat works.
Update to 0.99.4

* Add missing dependencies.
* Libtoolized.

Changelog:
===== 0.99.4 (November 30, 2012) =====

* Bulgarian hyphenation patterns, converted by Kaloyan Raev
* Network catalogs: fixed Cyryllic names rendering
* Showing suggestions in search field
* Fixed bug with duplicates series items in LitRes catalog
* Fixed different network bugs in Network Library
Updated misc/fbreader to 0.99.4
Correct dates in comment.  No functional change.
Make enum public in local fltk copy that is used outside derived
classes. Remove size hints for array arguments that end up being
negative. Dereference pointer before calling member. Fix complex usage.
Add dependency on qt4-tools to make cmake happy.
* Make contao211 to use own FILESDIR.
* A small clean up to common/Makefile.common.

No functional change.
Add missing includes.
Avoid -O3 for clang.
Fix string.h use.
Don't include libstdc++ extension that isn't really used.
Don't declare a function void if it returns values. Fix template lookup.
Always use correct C++ syntax. Add missing header.
Not MAKE_JOBS_SAFE.
Restore visibility wrappers lost in the devel/xulrunner merge.