recovery: Reset optind to 1 after getopt

The getopt library exposes optind which is the
next index to be processed. When scanning is
restarted, optind has to be reset to 1.

Test: Recovery works
Bug: 78793464
Change-Id: I1efca3fb985ffbdfe91e43767469733cda6e7d5b
diff --git a/recovery.cpp b/recovery.cpp
index b1a2900..21f6330 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -1049,6 +1049,7 @@
         continue;
     }
   }
+  optind = 1;
 
   printf("stage is [%s]\n", stage.c_str());
   printf("reason is [%s]\n", reason);