add a new regression test program for testing character ranges and UTF8

* Makefile.am testchar.c Makefile.tests README.tests: add a
  new regression test program for testing character ranges and
  UTF8 encoding/decoding
Daniel

svn path=/trunk/; revision=3754
diff --git a/Makefile.tests b/Makefile.tests
index bd223ca..619cbfb 100644
--- a/Makefile.tests
+++ b/Makefile.tests
@@ -8,12 +8,12 @@
 THREADLIB= -lpthread
 EXEEXT=
 
-all: runtest$(EXEEXT) runsuite$(EXEEXT) testapi$(EXEEXT)
+all: runtest$(EXEEXT) runsuite$(EXEEXT) testapi$(EXEEXT) testchar$(EXEEXT)
 
 clean:
 	$(RM) runtest$(EXEEXT) runsuite$(EXEEXT) testapi$(EXEEXT)
 
-check: do_runtest do_runsuite do_testapi
+check: do_runtest do_testchar do_testapi do_runsuite
 
 runtest$(EXEEXT): runtest.c
 	$(CC) -o runtest$(EXEEXT) $(CFLAGS) runtest.c $(LIBS) $(THREADLIB)
@@ -33,3 +33,9 @@
 do_testapi: testapi$(EXEEXT)
 	./testapi
 
+testchar$(EXEEXT): testchar.c
+	$(CC) -o testchar$(EXEEXT) $(CFLAGS) testchar.c $(LIBS)
+
+do_testchar: testchar$(EXEEXT)
+	./testchar
+