ctucx.git: stagit

prefix usage with the common prefix "usage: "

diff --git a/stagit-index.c b/stagit-index.c
@@ -196,7 +196,7 @@ main(int argc, char *argv[])
 	int i, ret = 0, tmp;
 
 	if (argc < 2) {
-		fprintf(stderr, "%s [repodir...]\n", argv[0]);
+		fprintf(stderr, "usage: %s [repodir...]\n", argv[0]);
 		return 1;
 	}
 

diff --git a/stagit.c b/stagit.c
@@ -1252,7 +1252,7 @@ writerefs(FILE *fp)
 void
 usage(char *argv0)
 {
-	fprintf(stderr, "%s [-c cachefile | -l commits | -n pagename | -h http_cloneurl | -s ssh_cloneurl ]"
+	fprintf(stderr, "usage: %s [-c cachefile | -l commits | -n pagename | -h http_cloneurl | -s ssh_cloneurl ]"
 	        " repodir\n", argv0);
 	exit(1);
 }