fix the fractal tree example code

git-svn-id: file:///svn/toku/tokudb@16700 c7de825b-a66e-492c-adef-691d508d4ae1

release/examples/db-insert.c

@@ -11,7 +11,7 @@
 #endif
 
 #include <inttypes.h>
-#include <toku_assert.h>
+#include <assert.h>
 #include <errno.h>
 #include <string.h>
 #include <stdio.h>

release/examples/db-scan.c

@@ -9,7 +9,7 @@
 #include <tokudb.h>
 #define DIRSUF tokudb
 #endif
-#include <toku_assert.h>
+#include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>