grep: initialize validation_boundary properly before use

* src/grep.c (main): Initialize validation_boundary before pre-searching
for an empty line.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/grep.c b/src/grep.c
index dfc0e515..a0f2620f 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -2516,6 +2516,7 @@ main (int argc, char **argv)
   /* We need one byte prior and one after.  */
   char eolbytes[3] = { 0, eolbyte, 0 };
   size_t match_size;
+  validated_boundary = eolbytes + 1;
   skip_empty_lines = ((execute (eolbytes + 1, 1, &match_size, NULL) == 0)
                       == out_invert);