The root of an .EQ tree is always EQN_ROOT, never EQN_LIST,

so delete a redundant NULL check that confused Coverity in CID 1257471;
issue reported by wiz@, patch differs from what christos@ did in NetBSD.
No functional change.

1 files changed, 1 insertions, 1 deletions

diff --git a/eqn.c b/eqn.c
index b84ce7e5..2d979dcd 100644
--- a/eqn.c
+++ b/eqn.c
@@ -987,7 +987,7 @@ this_tok:
 				parent->right = mandoc_strndup(start, sz);
 		}
 		parent = parent->parent;
-		if (EQN_TOK_BRACE_CLOSE == tok && parent &&
+		if (tok == EQN_TOK_BRACE_CLOSE &&
 		    (parent->type == EQN_PILE ||
 		     parent->type == EQN_MATRIX))
 			parent = parent->parent;