Fixes reading unordered Subrs in Type1

src/fonts.js

@@ -5315,11 +5315,8 @@ var Type1Parser = (function Type1ParserClosure() {
           case 'Subrs':
             var num = this.readInt();
             this.getToken(); // read in 'array'
-            for (var j = 0; j < num; ++j) {
+            while ((token = this.getToken()) === 'dup') {
-              token = this.getToken(); // read in 'dup'
               var index = this.readInt();
-              if (index > j)
-                j = index;
               var length = this.readInt();
               this.getToken(); // read in 'RD' or '-|'
               var data = stream.makeSubStream(stream.pos + 1, length);

test/pdfs/issue3207.pdf.link

@@ -0,0 +1 @@
+https://www.eff.org/sites/default/files/filenode/DMCA/NTIA%20DMCA%20White%20Paper.pdf

test/test_manifest.json

@@ -1135,6 +1135,15 @@
       "rounds": 1,
       "type": "eq"
     },
+    {  "id": "issue3207",
+      "file": "pdfs/issue3207.pdf",
+      "md5": "667248adae0462c7f5acc7757d97b720",
+      "link": true,
+      "firstPage": 1,
+      "lastPage": 1,
+      "rounds": 1,
+      "type": "eq"
+    },
     {  "id": "issue2829",
       "file": "pdfs/issue2829.pdf",
       "md5": "f32b28cf8792f6ccc470446bfbb38584",