ANDROID: Fix uninitialized warning in exfat2img am: 8a2d8e8953 am: 5539be2f27 am: 0f2a992a7a am: 4725270302 am: 62f8e80774

Original change: https://android-review.googlesource.com/c/platform/external/exfatprogs/+/2748866

Change-Id: If8577cc17f3c97b9ab2ccbad7ee44afe258ba79e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/exfat2img/exfat2img.c b/exfat2img/exfat2img.c
index be1f0f3..330ec8a 100644
--- a/exfat2img/exfat2img.c
+++ b/exfat2img/exfat2img.c
@@ -762,7 +762,7 @@
 
 static int restore_from_stdin(struct exfat2img *ei)
 {
-	int in_fd, ret;
+	int in_fd, ret = 0;
 	unsigned char cc;
 	unsigned int clu, end_clu;
 	unsigned int cc_clu_count;