initialise ret to 0, fixes an error found by static analysisidlestat-0.6

clang's scan-build detected the following error "Undefined or
garbage value returned to caller" because ret is not intialised.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/idlestat.c b/idlestat.c
index 4d773f4..ede98a0 100644
--- a/idlestat.c
+++ b/idlestat.c
@@ -1229,7 +1229,7 @@ static int idlestat_file_for_each_line(const char *path, void *data,
 					int (*handler)(const char *, void *))
 {
 	FILE *f;
-	int ret;
+	int ret = 0;
 
 	if (!handler)
 		return -1;