test/Makefile.os2: wlib must run case-sensitively.
diff --git a/test/Makefile.os2 b/test/Makefile.os2
index 7676369..922dffa 100644
--- a/test/Makefile.os2
+++ b/test/Makefile.os2
@@ -55,7 +55,7 @@ LIBS = SDL2.lib $(TESTLIB)
.c: ../src/test
$(TESTLIB): $(COBJS)
- wlib -q -b -n $@ $(COBJS)
+ wlib -q -b -n -c $@ $(COBJS)
.obj.exe:
@%make $(TESTLIB)