tests: Add more tests for integer overflow when reading MO file

* msgunfmt-3: Check overflow-[1-6].mo.
* Makefile.am (EXTRA_DIST): Add more test data for msgunfmt
integer overflow.

gettext-tools/tests/ChangeLog

@@ -1,3 +1,10 @@
+2014-12-05  Daiki Ueno  <ueno@gnu.org>
+
+	tests: Add more tests for integer overflow when reading MO file
+	* msgunfmt-3: Check overflow-[1-6].mo.
+	* Makefile.am (EXTRA_DIST): Add more test data for msgunfmt
+	integer overflow.
+
 2014-12-04  Daiki Ueno  <ueno@gnu.org>
 
 	tests: Improve test coverage of GSettings scanner

gettext-tools/tests/Makefile.am

@@ -145,7 +145,8 @@ TESTS = gettext-1 gettext-2 gettext-3 gettext-4 gettext-5 gettext-6 gettext-7 \
 	autopoint-1 autopoint-2 autopoint-3
 
 EXTRA_DIST += init.sh init.cfg $(TESTS) \
-	test.mo overflow.mo xg-c-1.ok.po mex-test2.ok \
+	test.mo overflow-1.mo overflow-2.mo overflow-3.mo overflow-4.mo \
+	overflow-5.mo overflow-6.mo xg-c-1.ok.po mex-test2.ok \
 	mm-ko.ascii.pot mm-ko.euc-kr.po mm-ko-comp.euc-kr.po \
 	mm-viet.comp.po mm-viet.pot mm-viet.out \
 	msguniq-a.in msguniq-a.inp msguniq-a.out \