patch 8.1.2058: function for ex command is named inconsistently

Problem:    Function for ex command is named inconsistently.
Solution:   Rename do_marks() to ex_marks().

Author: brammool

src/ex_cmds.h

@@ -928,7 +928,7 @@ EXCMD(CMD_map,		"map",		ex_map,
 EXCMD(CMD_mapclear,	"mapclear",	ex_mapclear,
 	EX_EXTRA|EX_BANG|EX_TRLBAR|EX_CMDWIN,
 	ADDR_NONE),
-EXCMD(CMD_marks,	"marks",	do_marks,
+EXCMD(CMD_marks,	"marks",	ex_marks,
 	EX_EXTRA|EX_TRLBAR|EX_CMDWIN,
 	ADDR_NONE),
 EXCMD(CMD_match,	"match",	ex_match,

src/mark.c

@@ -699,7 +699,7 @@ mark_line(pos_T *mp, int lead_len)
  * print the marks
  */
     void
-do_marks(exarg_T *eap)
+ex_marks(exarg_T *eap)
 {
     char_u	*arg = eap->arg;
     int		i;

src/proto/mark.pro

@@ -13,7 +13,7 @@ void fmarks_check_names(buf_T *buf);
 int check_mark(pos_T *pos);
 void clrallmarks(buf_T *buf);
 char_u *fm_getname(fmark_T *fmark, int lead_len);
-void do_marks(exarg_T *eap);
+void ex_marks(exarg_T *eap);
 void ex_delmarks(exarg_T *eap);
 void ex_jumps(exarg_T *eap);
 void ex_clearjumps(exarg_T *eap);

src/version.c

@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2058,
 /**/
     2057,
 /**/