[gnome-builder] libide: adjust signature export

[Christian Hergert <chergert src gnome org>]

commit 0abd30ee4a9b72d8107c8c4b870286257673b1b1
Author: Christian Hergert <christian hergert me>
Date:   Fri Sep 4 00:02:23 2015 -0700

    libide: adjust signature export
    
    export our private symbols for use by internal plugins.

 libide/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/Makefile.am b/libide/Makefile.am
index c998879..f330fe0 100644
--- a/libide/Makefile.am
+++ b/libide/Makefile.am
@@ -283,7 +283,7 @@ libide_1_0_la_LDFLAGS = \
        $(OPTIMIZE_LDFLAGS) \
        -avoid-version \
        -no-undefined \
-       -export-symbols-regex '^ide_.*' \
+       -export-symbols-regex '^(ide_|_ide_).*' \
        $(NULL)
 
 libide_1_0_la_LIBADD = \