[gnome-builder] build: use -export-symbols-regex

[Christian Hergert <chergert src gnome org>]

commit f2160f52786aac9ffaf42d55b086cb9f875cafa5
Author: Christian Hergert <christian hergert me>
Date:   Tue Apr 26 13:59:37 2016 -0700

    build: use -export-symbols-regex
    
    https://bugzilla.gnome.org/show_bug.cgi?id=765587

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7525e4d..06426df 100644
--- a/configure.ac
+++ b/configure.ac
@@ -431,7 +431,7 @@ AC_SUBST(PLUGIN_CFLAGS)
 
 PLUGIN_LDFLAGS="$PLUGIN_LDFLAGS $OPTIMIZE_LDFLAGS"
 PLUGIN_LDFLAGS="$PLUGIN_LDFLAGS -avoid-version"
-PLUGIN_LDFLAGS="$PLUGIN_LDFLAGS -export-regex peas_register_types"
+PLUGIN_LDFLAGS="$PLUGIN_LDFLAGS -export-symbols-regex peas_register_types"
 PLUGIN_LDFLAGS="$PLUGIN_LDFLAGS -module"
 AC_SUBST(PLUGIN_LDFLAGS)