vim-patch:8.1.1835: cannot use printf() as a method

Problem:    Cannot use printf() as a method.
Solution:   Pass the base as the second argument to printf().
fd8ca21b3f

src/nvim/eval.lua

@@ -258,7 +258,7 @@ return {
     pathshorten={args=1},
     pow={args=2},
     prevnonblank={args=1},
-    printf={args=varargs(1)},
+    printf={args=varargs(1), base=2},
     prompt_getprompt={args=1},
     prompt_setcallback={args={2, 2}},
     prompt_setinterrupt={args={2, 2}},