tools: env: Avoid an uninited warning with was_locked

Set this variable to 0 to avoid a warning about an unused variable. This
happens on gcc 7.5.0 for me.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index ccbeb55..66cb9d2 100644 (file)
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -995,7 +995,7 @@ static int flash_write_buf(int dev, int fd, void *buf, size_t count)
                                   of the data */
        loff_t blockstart;      /* running start of the current block -
                                   MEMGETBADBLOCK needs 64 bits */
-       int was_locked;         /* flash lock flag */
+       int was_locked = 0;     /* flash lock flag */
        int rc;
 
        /*