cleanup

Fix formatting and fix a typo in the return code check

Signed-off-by: Soup <43444191+Soup-64@users.noreply.github.com>

launcher/net/HttpMetaCache.h

@@ -113,7 +113,7 @@ class HttpMetaCache : public QObject {
 
     // evict selected entry from cache
     auto evictEntry(MetaEntryPtr entry) -> bool;
-    bool evictAll();
+    auto evictAll() -> bool;
 
     void addBase(QString base, QString base_root);