commit f63e6777c0b5c9a4da56702ffce9da84dc11a558
from: Marcel Rodrigues <marcelgmr@gmail.com>
date: Fri Jun 19 21:16:20 2015 UTC

Use const when possible.

commit - ea00c8563c7f419402710b44cbf12e4ade5ca5c0
commit + f63e6777c0b5c9a4da56702ffce9da84dc11a558
blob - 05bdf96c20e4ed3ac621ced51f2a25558c44eaab
blob + 9f08f1a6f8dd3bd175dab3381774c5fd341fef1c
--- rover.c
+++ rover.c
@@ -773,7 +773,7 @@ get_line_edit()
 
 /* Update line input on the screen. */
 static void
-update_input(char *prompt, Color color)
+update_input(const char *prompt, Color color)
 {
     int plen, ilen, maxlen;