Ensure a blackslash inside backquotes doesn't skip past eos.

I'm not sure if this is possible because of the way the input is read
by the muttrc parser, but fix the logic to ensure it can't happen.

1 files changed, 6 insertions, 1 deletions

diff --git a/init.c b/init.c
index 9c0a3946..fa6be9e0 100644
--- a/init.c
+++ b/init.c
@@ -236,7 +236,12 @@ int mutt_extract_token (BUFFER *dest, BUFFER *tok, int flags)
 	{
 	  /* skip any quoted chars */
 	  if (*pc == '\\')
-	    pc += 2;
+          {
+            if (*(pc+1))
+              pc += 2;
+            else
+              pc = NULL;
+          }
 	}
       } while (pc && *pc != '`');
       if (!pc)