[media] s5p-jpeg: Avoid -Wuninitialized warning in s5p_jpeg_parse_hdr

Initialize components variable in order to avoid
the possibility of using it uninitialized.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/s5p-jpeg/jpeg-core.c

@@ -893,7 +893,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result,
 			       unsigned long buffer, unsigned long size,
 			       struct s5p_jpeg_ctx *ctx)
 {
-	int c, components, notfound;
+	int c, components = 0, notfound;
 	unsigned int height, width, word, subsampling = 0;
 	long length;
 	struct s5p_jpeg_buffer jpeg_buffer;