loplugin:redundantcast

Change-Id: I7e73878f263be57d91a1db2fc3d65d411bd49228
Reviewed-on: https://gerrit.libreoffice.org/45912Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

vcl/unx/generic/app/i18n_ic.cxx

@@ -349,7 +349,7 @@ SalI18N_InputContext::SalI18N_InputContext ( SalFrame *pFrame ) :
 
     if ( maContext != nullptr)
     {
-        maDestroyCallback.callback    = static_cast<XIMProc>(IC_IMDestroyCallback);
+        maDestroyCallback.callback    = IC_IMDestroyCallback;
         maDestroyCallback.client_data = reinterpret_cast<XPointer>(this);
         XSetICValues( maContext,
                       XNDestroyCallback,      &maDestroyCallback,

vcl/unx/generic/app/i18n_im.cxx

@@ -359,7 +359,7 @@ SalI18N_InputMethod::CreateMethod ( Display *pDisplay )
         fprintf(stderr, "input method creation failed\n");
     #endif
 
-    maDestroyCallback.callback    = static_cast<XIMProc>(IM_IMDestroyCallback);
+    maDestroyCallback.callback    = IM_IMDestroyCallback;
     maDestroyCallback.client_data = reinterpret_cast<XPointer>(this);
     if (mbUseable && maMethod != nullptr)
         XSetIMValues(maMethod, XNDestroyCallback, &maDestroyCallback, nullptr);