[libgepub] build: Fix "ld" warning

[Daniel Garcia Moreno <danigm src gnome org>]

commit 4b332c81d4f50a76cbcda6c2e3f4156bbf7dcb5b
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Jun 22 10:28:38 2017 +0200

    build: Fix "ld" warning
    
    "-export-symbols-regex" is a libtool command, not an ld one:
    /usr/bin/ld: warning: cannot find entry symbol xport-symbols-regex "^gepub_*"; defaulting to 
0000000000003d70
    
    https://bugzilla.gnome.org/show_bug.cgi?id=784081

 libgepub/meson.build |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/libgepub/meson.build b/libgepub/meson.build
index d5e014e..1824403 100644
--- a/libgepub/meson.build
+++ b/libgepub/meson.build
@@ -25,7 +25,6 @@ sources = files(
 
 ldflags = [
   '-no-undefined',
-  '-export-symbols-regex "^gepub_*"'
 ]
 
 gepub_ldflags = []