Fix typo in x64 disassembler.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23902039

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16752 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/disasm-x64.cc

@@ -93,7 +93,7 @@ static const ByteMnemonic two_operands_instr[] = {
   { 0x39, OPER_REG_OP_ORDER,      "cmp" },
   { 0x3A, BYTE_REG_OPER_OP_ORDER, "cmp" },
   { 0x3B, REG_OPER_OP_ORDER,      "cmp" },
-  { 0x63, REG_OPER_OP_ORDER,      "movsxlq" },
+  { 0x63, REG_OPER_OP_ORDER,      "movsxl" },
   { 0x84, BYTE_REG_OPER_OP_ORDER, "test" },
   { 0x85, REG_OPER_OP_ORDER,      "test" },
   { 0x86, BYTE_REG_OPER_OP_ORDER, "xchg" },