[gnumeric] Compilation: unneeded header.

[Morten Welinder <mortenw src gnome org>]

commit a501f78e8dbaf0eaaf890b4a46bc6ed0a8276b2f
Author: Morten Welinder <terra gnome org>
Date:   Fri Dec 29 13:38:21 2017 -0500

    Compilation: unneeded header.

 plugins/fn-logical/functions.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/plugins/fn-logical/functions.c b/plugins/fn-logical/functions.c
index 5c22b4b..1bf3552 100644
--- a/plugins/fn-logical/functions.c
+++ b/plugins/fn-logical/functions.c
@@ -28,7 +28,6 @@
 #include <parse-util.h>
 #include <cell.h>
 #include <expr.h>
-#include <expr-impl.h>
 #include <value.h>
 #include <gnm-i18n.h>