unotools: This list is constant

Change-Id: Ib97a824cf482ba48204447f25102d112b90d3064
Reviewed-on: https://gerrit.libreoffice.org/21463Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

unotools/source/misc/fontdefs.cxx

@@ -178,7 +178,7 @@ static sal_Unicode const aHiraginoKakuGothicProN[]  = { 0x30D2, 0x30E9, 0x30AE,
 static sal_Unicode const aHiraginoMaruGothicPro[]   = { 0x30D2, 0x30E9, 0x30AE, 0x30CE, 0x4E38, 0x30B4, 'p','r','o',0};
 static sal_Unicode const aHiraginoMaruGothicProN[]  = { 0x30D2, 0x30E9, 0x30AE, 0x30CE, 0x4E38, 0x30B4, 'p','r','o','n',0};
 
-static ImplLocalizedFontName aImplLocalizedNamesList[] =
+static const ImplLocalizedFontName aImplLocalizedNamesList[] =
 {
 {   "batang",               aBatang },
 {   "batangche",            aBatangChe },