always cat cppunit test log on failure

and not only when gdb is installed / the postprocess script succeeds

Change-Id: I36e2fcdb81296252d7402d77154e45614cb70038

solenv/gbuild/CppunitTest.mk

@@ -94,7 +94,7 @@ $(call gb_CppunitTest_get_target,%) :| $(gb_CppunitTest_CPPTESTDEPS)
 			|| (RET=$$? \
 				$(if $(value gb_CppunitTest_postprocess), \
 					&& $(call gb_CppunitTest_postprocess,$(gb_CppunitTest_CPPTESTCOMMAND),$@.core,$$RET) >> $@.log 2>&1) \
-				&& cat $@.log && $(call gb_UNIT_FAILED_MSG,Cppunit,$*) \
+				; cat $@.log && $(call gb_UNIT_FAILED_MSG,Cppunit,$*) \
 				&& false))))
 
 define gb_CppunitTest_CppunitTest