[source] otrx: bump buffer size in otrx_create_append_file

[LEDE Commits]

rmilecki pushed a commit to source.git, branch master:
https://git.lede-project.org/70837168efe43d54bed21c83d50fa72336d45d53

commit 70837168efe43d54bed21c83d50fa72336d45d53
Author: Rafał Miłecki <rafal at milecki.pl>
AuthorDate: Thu Nov 16 10:15:57 2017 +0100

    otrx: bump buffer size in otrx_create_append_file
    
    Usually this function is called for appending some small files only
    (like fs marks) but let's just make it more generic and capable of
    handling bigger files easily. Increasing buffer to 1 KiB shouldn't hurt.
    
    Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 package/utils/otrx/src/otrx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/utils/otrx/src/otrx.c b/package/utils/otrx/src/otrx.c
index 3b7cf04..0d99cd3 100644
--- a/package/utils/otrx/src/otrx.c
+++ b/package/utils/otrx/src/otrx.c
@@ -232,7 +232,7 @@ static ssize_t otrx_create_append_file(FILE *trx, const char *in_path) {
 	FILE *in;
 	size_t bytes;
 	ssize_t length = 0;
-	uint8_t buf[128];
+	uint8_t buf[1024];
 
 	in = fopen(in_path, "r");
 	if (!in) {