extracted filetype in pdf.js instead of fonts.js

fonts.js

@@ -392,8 +392,8 @@ var Font = (function() {
       case 'CIDFontType0':
         this.mimetype = 'font/opentype';
         
-        var subtype = file.dict.get('Subtype');
-        if (subtype && subtype.name === 'Type1C') {
+        var subtype = properties.subtype;
+        if (subtype === 'Type1C') {
           var cff = new Type2CFF(file);
         } else {
           var cff = new CFF(name, file, properties);

pdf.js

@@ -3814,8 +3814,15 @@ var PartialEvaluator = (function() {
         }
       }
 
+      if (fontFile && fontFile.dict) {
+        var fileType = fontFile.dict.get('Subtype');
+        if (fileType)
+          fileType = fileType.name;
+      }
+
       var properties = {
         type: subType.name,
+        subtype: fileType,
         encoding: encodingMap,
         charset: charset,
         firstChar: fontDict.get('FirstChar'),