Libguestfs - Oct 2017 - [PATCH] rescue: fix size check

Compare it to the right variable, not to the pointer itself.

Fixes commit 3637c42f4e521eb647d7dfae7f48eb1689d0af54.
---
 rescue/escape.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rescue/escape.c b/rescue/escape.c
index a7949972a..3bb69578b 100644
--- a/rescue/escape.c
+++ b/rescue/escape.c
@@ -49,7 +49,7 @@ parse_escape_key (const char *arg)
     return 0;
 
   len = strlen (arg);
-  if (arg == 0)
+  if (len == 0)
     return -1;
 
   switch (arg[0]) {
-- 
2.13.6