wxwidgets: make use of virtual/libsdl2

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-extended/wxwidgets/wxwidgets_3.2.6.bb

@@ -74,7 +74,7 @@ PACKAGECONFIG[libsecret] = "-DwxUSE_SECRETSTORE=ON,-DwxUSE_SECRETSTORE=OFF,libse
 PACKAGECONFIG[lzma] = "-DwxUSE_LIBLZMA=ON,-DwxUSE_LIBLZMA=OFF,xz"
 PACKAGECONFIG[mspack] = "-DwxUSE_LIBMSPACK=ON,-DwxUSE_LIBMSPACK=OFF,libmspack"
 PACKAGECONFIG[opengl] = "-DwxUSE_OPENGL=ON,-DwxUSE_OPENGL=OFF,libglu"
-PACKAGECONFIG[sdl_audio] = "-DwxUSE_LIBSDL=ON,-DwxUSE_LIBSDL=OFF,libsdl2"
+PACKAGECONFIG[sdl_audio] = "-DwxUSE_LIBSDL=ON,-DwxUSE_LIBSDL=OFF,virtual/libsdl2"
 PACKAGECONFIG[webkit] = "-DwxUSE_WEBVIEW_WEBKIT=ON,-DwxUSE_WEBVIEW_WEBKIT=OFF,webkitgtk3,,,no_gui"
 PACKAGECONFIG[curl] = "-DwxUSE_WEBREQUEST_CURL=ON,-DwxUSE_WEBREQUEST_CURL=OFF,curl"