[PATCH tabled] server/server.c don't deref NULL on failed malloc

Signed-off-by: Jim Meyering <[email protected]>
---
Just noticed that sometimes tabled uses this idiom:
  if (!(key = malloc(klen + 1)))
and sometimes this:
  if ((key = malloc(klen + 1)) == NULL)
This time I used "... == NULL".

 server/server.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/server/server.c b/server/server.c
index 2b4ef1c..3cec5ae 100644
--- a/server/server.c
+++ b/server/server.c
@@ -306,7 +306,8 @@ static char *pathtokey(const char *path)
 		return NULL;
 	klen = end - path;

-	key = malloc(klen + 1);
+	if ((key = malloc(klen + 1)) == NULL)
+		return NULL;
 	memcpy(key, path, klen);
 	key[klen] = 0;

--
1.7.3.234.g7bba3