Fix incorrect dll import name (#4371)

Author: VictoriousRaptor

Plugins/Flow.Launcher.Plugin.Explorer/Search/Everything/EverythingApiDllImport.cs

@@ -126,7 +126,7 @@ public static void Load(string directory)
         public static extern uint Everything_GetRequestFlags();
         [DllImport(DLL)]
         public static extern uint Everything_GetResultListRequestFlags();
-        [DllImport("Everything64.dll", CharSet = CharSet.Unicode)]
+        [DllImport(DLL, CharSet = CharSet.Unicode)]
         public static extern IntPtr Everything_GetResultExtension(uint nIndex);
         [DllImport(DLL)]
         public static extern bool Everything_GetResultSize(uint nIndex, out long lpFileSize);