builtin-rm: use warning() instead of fprintf(stderr, "warning: ")

diff --git a/log-tree.c b/log-tree.c
index a315ebb78fcf6fccca444f678cbd6977e5e7fcbc..9565c184db681ac1de905d33dbaf175ec61c48fc 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -80,18 +80,18 @@ void show_decorations(struct rev_info *opt, struct commit *commit)
  */
 static int detect_any_signoff(char *letter, int size)
 {
-       char ch, *cp;
+       char *cp;
        int seen_colon = 0;
        int seen_at = 0;
        int seen_name = 0;
        int seen_head = 0;
 
        cp = letter + size;
-       while (letter <= --cp && (ch = *cp) == '\n')
+       while (letter <= --cp && *cp == '\n')
                continue;
 
        while (letter <= cp) {
-               ch = *cp--;
+               char ch = *cp--;
                if (ch == '\n')
                        break;