Win32: fix memleak

(cherry picked from commit 2e959033)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

src/win32/specific.c

@@ -349,7 +349,9 @@ LRESULT CALLBACK WMCOPYWNDPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
                 {
                     i_options++;
                 }
-                playlist_AddExt( p_playlist, make_URI( ppsz_argv[i_opt] ),
+
+                char *psz_URI = make_URI( ppsz_argv[i_opt] );
+                playlist_AddExt( p_playlist, psz_URI,
                         NULL, PLAYLIST_APPEND |
                         ( ( i_opt || p_data->enqueue ) ? 0 : PLAYLIST_GO ),
                         PLAYLIST_END, -1,
@@ -359,6 +361,7 @@ LRESULT CALLBACK WMCOPYWNDPROC( HWND hwnd, UINT uMsg, WPARAM wParam,
                         true, pl_Unlocked );
 
                 i_opt += i_options;
+                free( psz_URI );
             }
 
             free( ppsz_argv );