Update CMake.

llvm-svn: 81757
diff --git a/llvm/lib/MC/CMakeLists.txt b/llvm/lib/MC/CMakeLists.txt
index 277fb26..8a1a058 100644
--- a/llvm/lib/MC/CMakeLists.txt
+++ b/llvm/lib/MC/CMakeLists.txt
@@ -11,6 +11,7 @@
   MCDisassembler.cpp
   MCExpr.cpp
   MCInst.cpp
+  MCInstPrinter.cpp
   MCMachOStreamer.cpp
   MCNullStreamer.cpp
   MCSection.cpp