-Werror,-Wformat (clang-cl)

Change-Id: I21be71f795c6c04d63a0103e251448edeb4c54d2
Reviewed-on: https://gerrit.libreoffice.org/47670Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

svx/source/gengal/gengal.cxx

@@ -122,7 +122,7 @@ static void createTheme( const OUString& aThemeName, const OUString& aGalleryURL
             fprintf( stderr, "Failed to import '%s'\n",
                      OUStringToOString( aIter->GetMainURL(INetURLObject::DecodeMechanism::NONE), RTL_TEXTENCODING_UTF8 ).getStr() );
         else
-            fprintf( stderr, "Imported file '%s' (%u)\n",
+            fprintf( stderr, "Imported file '%s' (%" SAL_PRIuUINT32 ")\n",
                      OUStringToOString( aIter->GetMainURL(INetURLObject::DecodeMechanism::NONE), RTL_TEXTENCODING_UTF8 ).getStr(),
                      pGalTheme->GetObjectCount() );
     }