InnoDB: Enable UNIV_DEBUG_VALGRIND for cmake -DWITH_VALGRIND

The symbol HAVE_VALGRIND_MEMCHECK_H was never defined.
Instead, the symbol HAVE_VALGRIND should have been used.

storage/innobase/include/univ.i

 /*****************************************************************************
 
 Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2017, MariaDB Corporation.
 Copyright (c) 2008, Google Inc.
 
 Portions of this file contain modifications contributed and copyrighted by
@@ -171,7 +172,7 @@ command. Not tested on Windows. */
 #define UNIV_COMPILE_TEST_FUNCS
 */
 
-#if defined(HAVE_valgrind)&& defined(HAVE_VALGRIND_MEMCHECK_H)
+#if defined HAVE_valgrind && defined HAVE_VALGRIND
 # define UNIV_DEBUG_VALGRIND
 #endif /* HAVE_VALGRIND */
 #if 0

storage/xtradb/include/univ.i

 /*****************************************************************************
 
 Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2013, 2017, MariaDB Corporation.
 Copyright (c) 2008, Google Inc.
 
 Portions of this file contain modifications contributed and copyrighted by
@@ -183,7 +184,7 @@ command. Not tested on Windows. */
 #define UNIV_COMPILE_TEST_FUNCS
 */
 
-#if defined(HAVE_valgrind)&& defined(HAVE_VALGRIND_MEMCHECK_H)
+#if defined HAVE_valgrind && defined HAVE_VALGRIND
 # define UNIV_DEBUG_VALGRIND
 #endif
 #if 0