Qt: correctly handle Unicode in Win7 jump lists

Closes #4142
(cherry picked from commit 36eff3f63a815dc59a4401ddece17cf2fc6dc7b6)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/recents.cpp

@@ -33,9 +33,21 @@
 #include <QSignalMapper>
 
 #ifdef WIN32
-#include <shlobj.h>
+    #include <shlobj.h>
+    /* typedef enum  {
+        SHARD_PIDL              = 0x00000001,
+        SHARD_PATHA             = 0x00000002,
+        SHARD_PATHW             = 0x00000003,
+        SHARD_APPIDINFO         = 0x00000004,
+        SHARD_APPIDINFOIDLIST   = 0x00000005,
+        SHARD_LINK              = 0x00000006,
+        SHARD_APPIDINFOLINK     = 0x00000007,
+        SHARD_SHELLITEM         = 0x00000008 
+    } SHARD; */
+    #define SHARD_PATHW 0x00000003
 #endif
 
+
 RecentsMRL* RecentsMRL::instance = NULL;
 
 RecentsMRL::RecentsMRL( intf_thread_t *_p_intf ) : p_intf( _p_intf )
@@ -76,7 +88,7 @@ void RecentsMRL::addRecent( const QString &mrl )
 
 #ifdef WIN32
     /* Add to the Windows 7 default list in taskbar */
-    SHAddToRecentDocs( 0x00000002 , qtu( mrl ) );
+    SHAddToRecentDocs( SHARD_PATHW, qtu( mrl ) );
 #endif
 
     int i_index = stack->indexOf( mrl );