grep: change struct matcher termination

* src/grep.c (setmatcher): Look for NULL matchers[i].name.
* src/grep.h (struct matcher): Change name to pointer.  Adjust comments.
* src/search.c (matchers): Terminate with three NULLs.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/grep.c b/src/grep.c
index e41ad508..909c8052 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -1589,7 +1589,7 @@ install_matcher (char const *name)
 {
   int i;
 
-  for (i = 0; matchers[i].compile; i++)
+  for (i = 0; matchers[i].name; i++)
     if (strcmp (name, matchers[i].name) == 0)
       {
 	compile = matchers[i].compile;