Fixes bias calculation for type2 subr

src/fonts.js

@@ -4031,9 +4031,9 @@ Type1Font.prototype = {
   getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {
     var bias = 0;
     var count = type1Subrs.length;
-    if (count < 1240)
+    if (count < 1133)
       bias = 107;
-    else if (count < 33900)
+    else if (count < 33769)
       bias = 1131;
     else
       bias = 32768;

test/pdfs/issue1655.pdf.link

@@ -0,0 +1 @@
+http://bblum.net/thesis-draft.pdf

test/test_manifest.json

@@ -515,6 +515,14 @@
       "link": true,
       "type": "eq"
     },
+    {  "id": "issue1655",
+      "file": "pdfs/issue1655.pdf",
+      "md5": "696ef6de6f4f71643771419ef04fc968",
+      "rounds": 1,
+      "pageLimit": 9,
+      "link": true,
+      "type": "eq"
+    },
     {  "id": "issue1133",
       "file": "pdfs/issue1133.pdf",
       "md5": "d1b61580cb100e3df93d33703af1773a",