Some packages need to specify -std=gnu89 to compile, and gcc51 defaults to
gnu11 now.
Also, updated mozilla-nss-nspr to 3.19 and 4.10.8, respectively.

*** 29,38 ****
--- 29,41 ----
  DEPENDS_IPS="system/library"
  
  # XXX 32-bit until Y2038 rears its ugly head.
  BUILDARCH=32
  
+ # Use old gcc4 standards level for this.
+ export CFLAGS="$CFLAGS -std=gnu89"
+ 
  CONFIGURE_OPTS="--enable-use-sockets --enable-ipv4-pktinfo --prefix=$PREFIX --bindir=$PREFIX/bin --sbindir=$PREFIX/sbin"
  
  pre_package() {
      # Make directories and install extra files before package construction.
      logcmd mkdir -p $DESTDIR/usr/share/isc-dhcp/examples || logerr \