lok: 14pt font is too large for the context menus.

Change-Id: I8403b2bea81e61c4fa24ed205b8d2c77a235238b
Reviewed-on: https://gerrit.libreoffice.org/51438Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

vcl/headless/svpframe.cxx

@@ -427,6 +427,9 @@ void SvpSalFrame::UpdateSettings( AllSettings& rSettings )
         aStdFont.SetWeight( WEIGHT_NORMAL );
         aStdFont.SetFamilyName( "Liberation Sans" );
         aStyleSettings.BatchSetFonts( aStdFont, aStdFont );
+
+        aStdFont.SetFontSize(Size(0, 12));
+        aStyleSettings.SetMenuFont(aStdFont);
     }
 
     rSettings.SetStyleSettings( aStyleSettings );