sal: oops, forgot to commit that bit

Change-Id: Iee85958a6589624bc9a61242fca41214bdd1df85

sal/cppunittester/cppunittester.cxx

@@ -70,7 +70,7 @@ void usageFailure() {
 
 rtl::OUString getArgument(sal_Int32 index) {
     rtl::OUString arg;
-    rtl_getAppCommandArg(index, &arg.pData);
+    osl_getCommandArg(index, &arg.pData);
     return arg;
 }