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.

*** 37,46 ****
--- 37,49 ----
  BUILD_DEPENDS_IPS="gcc44"
  [[ "$BUILDARCH" == "both" ]] && BUILDARCH=32
  
  CONFIGURE_OPTS="--enable-gold=yes --exec-prefix=/usr/gnu --program-prefix=g"
  
+ # Use old gcc4 standards level for this.
+ CFLAGS="$CFLAGS -std=gnu89"
+ 
  make_prog() {
      [[ -n $NO_PARALLEL_MAKE ]] && MAKE_JOBS=""
      logmsg "--- make"
      logcmd $MAKE SHELL=/bin/bash $MAKE_JOBS || \
          logerr "--- Make failed"