#2948 fix a broken assert

git-svn-id: file:///svn/toku/tokudb@24119 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/tests/test-brt-overflow.c

@@ -29,7 +29,7 @@ test_overflow (void) {
     for (i=0; i<8; i++) {
 	char key[]={(char)('a'+i), 0};
 	r = toku_brt_insert(t, toku_fill_dbt(&k, key, 2), toku_fill_dbt(&v,buf,sizeof(buf)), null_txn);
-	assert(r=0);
+	assert(r==0);
     }
     r = toku_close_brt(t, 0);        assert(r==0);
     r = toku_cachetable_close(&ct);     assert(r==0);