cppcheck: fix arrayIndexThenCheck (vcl/salfont)

Change-Id: Ia530a5947ef5b0718c7076367317c661155c6691
Reviewed-on: https://gerrit.libreoffice.org/60226
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

vcl/win/gdi/salfont.cxx

@@ -945,7 +945,7 @@ void WinSalGraphics::SetFont(LogicalFontInstance* pFont, int nFallbackLevel)
     else
     {
         // release no longer referenced font handles
-        for( int i = nFallbackLevel + 1; mpWinFontEntry[i].is() && i < MAX_FALLBACK; ++i )
+        for( int i = nFallbackLevel + 1; i < MAX_FALLBACK && mpWinFontEntry[i].is(); ++i )
             mpWinFontEntry[i] = nullptr;
     }