Fix moves that accidentally copy anyway

src/libexpr/eval.cc

@@ -539,7 +539,7 @@ EvalState::EvalState(
             auto r = resolveSearchPathPath(i.path);
             if (!r) continue;
 
-            auto path = *std::move(r);
+            auto path = std::move(*r);
 
             if (store->isInStore(path)) {
                 try {
@@ -1035,7 +1035,7 @@ std::string EvalState::mkOutputStringRaw(
     /* In practice, this is testing for the case of CA derivations, or
        dynamic derivations. */
     return optStaticOutputPath
-        ? store->printStorePath(*std::move(optStaticOutputPath))
+        ? store->printStorePath(std::move(*optStaticOutputPath))
         /* Downstream we would substitute this for an actual path once
            we build the floating CA derivation */
         : DownstreamPlaceholder::fromSingleDerivedPathBuilt(b, xpSettings).render();