Fix crashes from AFL run

We ran American Fuzzy Lop on IMF IAB master file reader and discovered a lot of crashes. These are fixes in the asdcplib code base. 

1 files changed, 1 insertions, 1 deletions

diff --git a/src/h__Reader.cpp b/src/h__Reader.cpp
index a764767..77f532e 100755
--- a/src/h__Reader.cpp
+++ b/src/h__Reader.cpp
@@ -108,7 +108,7 @@ ASDCP::h__ASDCPReader::OpenMXFRead(const std::string& filename)
 	    }
 	}
 
-      if ( m_RIP.PairArray.front().ByteOffset != 0 )
+      if ( !m_RIP.PairArray.empty() && m_RIP.PairArray.front().ByteOffset != 0 )
 	{
 	  DefaultLogSink().Error("First Partition in RIP is not at offset 0.\n");
 	  result = RESULT_FORMAT;