git-svn: correctly track diff-less copies with do_switch

diff --git a/revision.c b/revision.c
index abab3b9d01c485bdf6c276011ccaff1c86eeee97..622afe3aa6277220a934a500cbb0f83723f75989 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -832,7 +832,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                revs->max_count = atoi(argv[++i]);
                                continue;
                        }
-                       if (!strncmp(arg,"-n",2)) {
+                       if (!prefixcmp(arg, "-n")) {
                                revs->max_count = atoi(arg + 2);
                                continue;
                        }