patch 8.0.0199: compiler warnings for libcall commit https://github.com/vim/vim/commit/6d721c7e10251ad8c89a461eed99d8cf2659c1df Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 17 16:56:28 2017 +0100 patch 8.0.0199: compiler warnings for libcall Problem: Warning for an unused parameter when the libcall feature is disabled. Warning for a function type cast when compiling with -pedantic. Solution: Add UNUSED. Use a different type cast. (Damien Molinier)

--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -6859,10 +6859,8 @@ f_len(typval_T *argvars, typval_T *rettv
     }
 }
 
-static void libcall_common(typval_T *argvars, typval_T *rettv, int type);
-
-    static void
-libcall_common(typval_T *argvars, typval_T *rettv, int type)
+    static void
+libcall_common(typval_T *argvars UNUSED, typval_T *rettv, int type)
 {
 #ifdef FEAT_LIBCALL
     char_u		*string_in;