vold: If we're bootstrapping, don't automatically mount the SD card. Also fixes some
error display bugs (our printf doesnt support %m)

Signed-off-by: San Mehat <san@google.com>
diff --git a/vold/vold.h b/vold/vold.h
index 4ff690a..abc27a1 100644
--- a/vold/vold.h
+++ b/vold/vold.h
@@ -97,4 +97,5 @@
 
 int send_msg(char *msg);
 int send_msg_with_data(char *msg, char *data);
+extern int bootstrap;
 #endif