advpack/tests: Remove dead assignment (Cppcheck)

[Bruno Jesus]

-------------- next part --------------
diff --git a/dlls/advpack/tests/advpack.c b/dlls/advpack/tests/advpack.c
index f3e70d7..5b9ed42 100644
--- a/dlls/advpack/tests/advpack.c
+++ b/dlls/advpack/tests/advpack.c
@@ -187,7 +187,6 @@ static void delnode_test(void)
     CloseHandle(hn);
     hr = pDelNode(lstrcatA(currDir, "\\DelNodeTestDir"), 0);
     ok (hr == S_OK, "DelNode failed deleting a directory containing multiple files\n");
-    currDir[currDirLen] = '\0';
 }
 
 static void append_str(char **str, const char *data, ...)