patch 8.1.0210: still a few K&R function declarations

Problem:    Still a few K&R function declarations.
Solution:   Use ANSI function declarations (Hirohito Higashi)
diff --git a/src/eval.c b/src/eval.c
index 4423419..ef25a3f 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -9387,8 +9387,7 @@
 }
 
     char_u *
-typval_tostring(arg)
-    typval_T	*arg;
+typval_tostring(typval_T *arg)
 {
     char_u	*tofree;
     char_u	numbuf[NUMBUFLEN];
diff --git a/src/evalfunc.c b/src/evalfunc.c
index 7d0f33a..97242f6 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2857,9 +2857,7 @@
  * "deletebufline()" function
  */
     static void
-f_deletebufline(argvars, rettv)
-    typval_T	*argvars;
-    typval_T	*rettv;
+f_deletebufline(typval_T *argvars, typval_T *rettv)
 {
     buf_T	*buf;
     linenr_T	first, last;
@@ -10502,9 +10500,7 @@
  * "setbufline()" function
  */
     static void
-f_setbufline(argvars, rettv)
-    typval_T	*argvars;
-    typval_T	*rettv;
+f_setbufline(typval_T *argvars, typval_T *rettv)
 {
     linenr_T	lnum;
     buf_T	*buf;
diff --git a/src/list.c b/src/list.c
index 1dfaa21..9a348a8 100644
--- a/src/list.c
+++ b/src/list.c
@@ -479,9 +479,7 @@
  * Return FAIL when out of memory.
  */
     int
-list_append_list(list1, list2)
-    list_T	*list1;
-    list_T	*list2;
+list_append_list(list_T *list1, list_T *list2)
 {
     listitem_T	*li = listitem_alloc();
 
diff --git a/src/version.c b/src/version.c
index 2db4044..456dc12 100644
--- a/src/version.c
+++ b/src/version.c
@@ -794,6 +794,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    210,
+/**/
     209,
 /**/
     208,