cmd: avoid assigning a variable to itself (LLVM/Clang)

[Austin English]

-- 
-Austin
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diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index 944a997..63a801b 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -686,9 +686,9 @@ BOOL WCMD_delete (WCHAR *command, BOOL expectDir) {
                     /* Now check result, keeping a running boolean about whether it
                        matches all parsed attributes so far                         */
                     if (attribute && !negate) {
-                        stillOK = stillOK;
+                        stillOK = TRUE;
                     } else if (!attribute && negate) {
-                        stillOK = stillOK;
+                        stillOK = TRUE;
                     } else {
                         stillOK = FALSE;
                     }