doc: libvlc: use _strdup() on Windows samples

strdup() is issuing a deprecated warning with the MS SDK.

(cherry picked from commit 4bad605e3b) (edited)
edited:
- 3.0 doesn't d3d callback examples

Signed-off-by: Steve Lhomme <robux4@ycbcr.xyz>

doc/libvlc/win_player.c

@@ -108,12 +108,12 @@ int WINAPI WinMain(HINSTANCE hInstance,
     /* remove "" around the given path */
     if (lpCmdLine[0] == '"')
     {
-        file_path = strdup( lpCmdLine+1 );
+        file_path = _strdup( lpCmdLine+1 );
         if (file_path[strlen(file_path)-1] == '"')
             file_path[strlen(file_path)-1] = '\0';
     }
     else
-        file_path = strdup( lpCmdLine );
+        file_path = _strdup( lpCmdLine );
 
     Context.p_libvlc = libvlc_new( 0, NULL );
     p_media = libvlc_media_new_path( Context.p_libvlc, file_path );