patch 8.1.0607: proto files are not in sync with the source code

Problem:    Proto files are not in sync with the source code.
Solution:   Update the proto files.
diff --git a/src/proto/ex_getln.pro b/src/proto/ex_getln.pro
index c7386a4..a2d7a9f 100644
--- a/src/proto/ex_getln.pro
+++ b/src/proto/ex_getln.pro
@@ -1,4 +1,5 @@
 /* ex_getln.c */
+void cmdline_init(void);
 char_u *getcmdline(int firstc, long count, int indent);
 char_u *getcmdline_prompt(int firstc, char_u *prompt, int attr, int xp_context, char_u *xp_arg);
 int text_locked(void);
@@ -52,7 +53,6 @@
 int read_viminfo_history(vir_T *virp, int writing);
 void handle_viminfo_history(garray_T *values, int writing);
 void finish_viminfo_history(vir_T *virp);
-void cmdline_init(void);
 void write_viminfo_history(FILE *fp, int merge);
 void cmd_pchar(int c, int offset);
 int cmd_gchar(int offset);