Merge pull request #76 from nico/fix

Fix build on some systems after #75.
diff --git a/src/decodetable.cc b/src/decodetable.cc
index 05f08c9..486c6ed 100644
--- a/src/decodetable.cc
+++ b/src/decodetable.cc
@@ -26,7 +26,6 @@
 
 VCDiffCodeTableReader::VCDiffCodeTableReader()
     : code_table_data_(&VCDiffCodeTableData::kDefaultCodeTableData),
-      non_default_code_table_data_(NULL),
       instructions_and_sizes_(NULL),
       instructions_and_sizes_end_(NULL),
       last_instruction_start_(NULL),