add additional charset name

fix bug 79387
r=bstll sr=blizzard
properties file additional. Should not impact the build

intl/uconv/src/charsetTitles.properties

@@ -92,6 +92,13 @@ ibm857.title = Turkish (IBM-857)
 ibm862.title = Hebrew (IBM-862)
 ibm864.title = Arabic (IBM-864)
 ibm864i.title = Arabic (IBM-864-I)
+gb18030.title = Chinese Simplified (GB18030)
+x-mac-arabic.title = Arabic (MacArabic)
+x-mac-farsi.title = Farsi (MacFarsi)
+x-mac-hebrew.title = Hebrew (MacHebrew)
+x-mac-devanagari.title = Hindi (MacDevanagari)
+x-mac-gujarati.title = Gujarati (MacGujarati)
+x-mac-gurmukhi.title = Gurmukhi (MacGurmukhi)
 
 chardet.off.title                           = (Off)
 chardet.alis_charset_detector.title         = All