tests: qemuschema: Add line break to debug message

Message stating which schema replies file is being used would be
squashed with other messages.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>

tests/testutilsqemuschema.c

@@ -539,7 +539,7 @@ testQEMUSchemaGetLatest(void)
         return NULL;
     }
 
-    VIR_TEST_DEBUG("replies file: '%s'", capsLatestFile);
+    VIR_TEST_DEBUG("replies file: '%s'\n", capsLatestFile);
 
     if (virTestLoadFile(capsLatestFile, &capsLatest) < 0)
         goto cleanup;