Fixed error and re-enabled MBlaze MC disassembler tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118987 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp b/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp
index c2b5a9f..b2a2474 100644
--- a/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp
+++ b/lib/Target/MBlaze/Disassembler/MBlazeDisassembler.cpp
@@ -492,6 +492,9 @@
   uint32_t insn;
   uint8_t bytes[4];
 
+  // We always consume 4 bytes of data
+  size = 4;
+
   // We want to read exactly 4 bytes of data.
   if (region.readBytes(address, 4, (uint8_t*)bytes, NULL) == -1)
     return false;