Use is_absolute_path() in diff-lib.c, lockfile.c, setup.c, trace.c

Using the helper function to test for absolute paths makes porting easier.

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/trace.c b/trace.c
index 0d89dbe779..d3d1b6d55e 100644
--- a/trace.c
+++ b/trace.c
@@ -37,7 +37,7 @@ static int get_trace_fd(int *need_close)
 		return STDERR_FILENO;
 	if (strlen(trace) == 1 && isdigit(*trace))
 		return atoi(trace);
-	if (*trace == '/') {
+	if (is_absolute_path(trace)) {
 		int fd = open(trace, O_WRONLY | O_APPEND | O_CREAT, 0666);
 		if (fd == -1) {
 			fprintf(stderr,