Make GCOV work again. closes[t:1921]

git-svn-id: file:///svn/toku/tokudb@13799 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/tests/cachetable-checkpoint-pending.c

@@ -2,7 +2,7 @@
 
 #include <stdio.h>
 #include <unistd.h>
-#include <assert.h>
+#include <toku_assert.h>
 
 #include "test.h"
 #include "checkpoint.h"

newbrt/tests/cachetable-checkpoint-test.c

 /* -*- mode: C; c-basic-offset: 4 -*- */
 #include <stdio.h>
 #include <unistd.h>
-#include <assert.h>
+#include <toku_assert.h>
 
 #include "test.h"
 #include "checkpoint.h"

newbrt/tests/cachetable-prefetch-checkpoint-test.c

@@ -4,7 +4,7 @@
 // the blocks in the reading state should be ignored.
 #include <stdio.h>
 #include <unistd.h>
-#include <assert.h>
+#include <toku_assert.h>
 
 #include "test.h"
 #include "checkpoint.h"