javazic fails with tzdata2004e.

In southamerica of Olson's data, the following change causes NPE.
I confirmed that other changes in tz2004e have nothing to do with NPE.

309c323,324
< -4:00 - WART 2004 Oct 17
---
> -4:00 - WART 2004 Sep 26
====================================================================
# Mendoza (MZ)
Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31
                        -4:16:48 - CMT 1920 May
                        -4:00 - ART 1930 Dec
                        -4:00 Arg AR%sT 1969 Oct 5
                        -3:00 Arg AR%sT 1990 Mar 4
                        -4:00 - WART 1990 Oct 15
                        -4:00 1:00 WARST 1991 Mar 1
                        -4:00 - WART 1991 Oct 15
                        -4:00 1:00 WARST 1992 Mar 1
                        -4:00 - WART 1992 Oct 18
                        -3:00 Arg AR%sT 1999 Oct 3
                        -4:00 Arg AR%sT 2000 Mar 3
                        -3:00 - ART 2004 May 23
                        -4:00 - WART 2004 Sep 26 <---------
                        -3:00 - ART
====================================================================
rm -f ../../../build/solaris-sparc/tmp/sun/sun.tools.javazic/.classes.list
if [ -s ../../../build/solaris-sparc/tmp/sun/sun.tools.javazic/.classes.list ] ; \
then ../../../build/solaris-sparc/bin/javac -J-XX:ThreadStackSize=768 -J-Xms64m -J-Xmx256m -classpath ../../../build/solaris-sparc/classes -bootclasspath "../../../build/solaris-sparc/lib/jce.jar:../../../build/solaris-sparc/lib/jsse.jar" -sourcepath "../../../build/solaris-sparc/gensrc:../../../src/solaris/classes:../../../src/share/classes" -d ../../../build/solaris-sparc/classes -encoding ascii -source 1.5 -d ../../../build/solaris-sparc/tmp/sun/sun.tools.javazic \
     ; \
fi
rm -f -r ../../../build/solaris-sparc/tmp/sun/sun.tools.javazic/zi
../../../build/solaris-sparc/bin/java -classpath ../../../build/solaris-sparc/tmp/sun/sun.tools.javazic sun.tools.javazic.Main -V "`cat ./tzdata/VERSION`" -d ../../../build/solaris-sparc/tmp/sun/sun.tools.javazic/zi ./tzdata/africa ./tzdata/antarctica ./tzdata/asia ./tzdata/australasia ./tzdata/europe ./tzdata/northamerica ./tzdata/pacificnew ./tzdata/southamerica ./tzdata/systemv ./tzdata/backward ./tzdata/etcetera ./tzdata/solar87 ./tzdata/solar88 ./tzdata/solar89 ./tzdata/systemv ./tzdata_jdk/gmt ./tzdata_jdk/jdk11_backward
Exception in thread "main" java.lang.NullPointerException
        at sun.tools.javazic.Mappings.resolve(Mappings.java:122)
        at sun.tools.javazic.Main.compile(Main.java:115)
        at sun.tools.javazic.Main.main(Main.java:137)
gnumake: *** [../../../build/solaris-sparc/tmp/sun/sun.tools.javazic/zi/ZoneInfoMappings] Error 1
====================================================================
###@###.### 10/13/04 12:21 GMT