vim-patch:9.0.0761: cannot use 'indentexpr' for Lisp indenting

Problem:    Cannot use 'indentexpr' for Lisp indenting.
Solution:   Add the 'lispoptions' option.
49846fb1a3

vim-patch:9.0.0762: build failure

Problem:    Build failure.
Solution:   Add missing change.
4b082c4bd0

src/nvim/indent.h

@@ -3,6 +3,8 @@
 
 #include "nvim/vim.h"
 
+typedef int (*IndentGetter)(void);
+
 // flags for set_indent()
 #define SIN_CHANGED     1       // call changed_bytes() when line changed
 #define SIN_INSERT      2       // insert indent before existing text