scilab version 5.3.3-3 failed to build with openjdk-7

During a rebuild test on precise with default-jdk switched to openjdk-7, a build failure was detected for scilab version 5.3.3-3.

See attached log for full build failure details.

This log snippet might also be of interest:

        -- Building for ja_JP --
        Creating ./locale/ja_JP/LC_MESSAGES/
4256 translated messages, 2 fuzzy translations, 477 untranslated messages.
        -- Building for it_IT --
        Creating ./locale/it_IT/LC_MESSAGES/
3639 translated messages, 1052 untranslated messages.
        -- Building for uk_UA --
        Creating ./locale/uk_UA/LC_MESSAGES/
4259 translated messages, 476 untranslated messages.
        -- Building for pl_PL --
        Creating ./locale/pl_PL/LC_MESSAGES/
3782 translated messages, 617 untranslated messages.
make[2]: Leaving directory `/«PKGBUILDDIR»'
/usr/lib/jvm/java-7-openjdk-amd64/bin/javadoc -noindex -nohelp -nonavbar -notree \
 -d ./modules/javasci/javadoc \
 -sourcepath ./modules/javasci/src/java:./modules/types/src/java \
 org.scilab.modules.javasci org.scilab.modules.types
Creating destination directory: "./modules/javasci/javadoc/"
Loading source files for package org.scilab.modules.javasci...
Loading source files for package org.scilab.modules.types...
./modules/types/src/java/org/scilab/modules/types/ScilabDouble.java:4: error: unmappable character for encoding ASCII
 * Copyright (C) 2010-2010 - DIGITEO - Cl??ment DAVID
                                          ^
./modules/types/src/java/org/scilab/modules/types/ScilabDouble.java:4: error: unmappable character for encoding ASCII
 * Copyright (C) 2010-2010 - DIGITEO - Cl??ment DAVID
                                           ^
./modules/types/src/java/org/scilab/modules/types/ScilabBoolean.java:4: error: unmappable character for encoding ASCII
 * Copyright (C) 2010-2010 - DIGITEO - Cl??ment DAVID
                                          ^
./modules/types/src/java/org/scilab/modules/types/ScilabBoolean.java:4: error: unmappable character for encoding ASCII
 * Copyright (C) 2010-2010 - DIGITEO - Cl??ment DAVID
                                           ^
4 errors
make[1]: *** [javadoc] Error 1
make[1]: Leaving directory `/«PKGBUILDDIR»'
make: *** [debian/stamp-makefile-build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
Watcher: Tick.
jenkins 4130 0.1 0.5 81676 23920 ? S 23:33 0:01 /usr/bin/perl /usr/bin/sbuild -d precise-java-7 -n -A scilab_5.3.3-3.dsc
jenkins 4131 0.0 0.0 4176 320 ? S 23:33 0:00 tee scilab_5.3.3-3_java-7.log
jenkins 4138 0.1 0.4 78972 19424 ? S 23:33 0:02 package log for scilab_5.3.3-3_amd64
jenkins 8824 0.0 0.0 4268 688 ? S 23:34 0:00 sh debian/watcher.sh 8750 /«PKGBUILDDIR» /«PKGBUILDDIR»/build-stamp scilab
Watcher: Terminating.
Watcher: Removing lock
────────────────────────────────────────────────────────────────────────────────
Build finished at 20111110-2354

Finished
────────

E: Build failure (dpkg-buildpackage died)