Accommodate change made to checkpoint_test.h (for purpose of checkpoint_stress).

git-svn-id: file:///svn/toku/tokudb@11466 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/checkpoint_1.c

@@ -60,6 +60,7 @@ checkpoint_test_2(u_int32_t flags, u_int32_t n) {
 	printf("Verify that inserts done during checkpoint are effective\n");
         fflush(stdout); 
     }
+    dir_create();
     env_startup();
     int run;
     int r;