unbreak cmake build

It was trying to use third_party/valgrind.h header which I recently
removed.

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6376cd1..17a631a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -561,8 +561,7 @@
         src/base/logging.h
         src/base/commandlineflags.h
         src/base/basictypes.h
-        src/base/dynamic_annotations.h
-        src/third_party/valgrind.h)
+        src/base/dynamic_annotations.h)
 set(liblogging_la_SOURCES src/base/logging.cc
         src/base/dynamic_annotations.c
         ${LOGGING_INCLUDES})