Skip whole " obj" parsing once found

Author: Arnaud TAMAILLON

src/UglyToad.PdfPig/Parser/Parts/BruteForceSearcher.cs

@@ -156,7 +156,7 @@ public static IReadOnlyDictionary<IndirectReference, long> GetObjectLocations(II
 
                 currentlyInObject = true;
 
-                currentOffset++;
+                currentOffset += objBuffer.Length;
 
                 bytes.Seek(currentOffset);
                 loopProtection = 0;