[libgsf/wip/lantw/build-sys-fix-out-of-source-build] build-sys: fix out-of-source build

[Ting-Wei Lan <lantw src gnome org>]

commit e0c40784483be1c103d82950f295589d1fb22a39
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Sat Feb 29 18:00:47 2020 +0800

    build-sys: fix out-of-source build

 gsf/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gsf/Makefile.am b/gsf/Makefile.am
index c8d7c2f..20d92bc 100644
--- a/gsf/Makefile.am
+++ b/gsf/Makefile.am
@@ -16,7 +16,7 @@ INTROSPECTION_COMPILER_ARGS = \
 EXTRA_DIST = libgsf.syms
 
 libgsf_1_la_LIBADD  = $(LIBGSF_LIBS) $(Z_LIBS) $(BZ2_LIBS)
-libgsf_1_la_LDFLAGS = -version-info $(VERSION_INFO) -export-symbols libgsf.syms
+libgsf_1_la_LDFLAGS = -version-info $(VERSION_INFO) -export-symbols $(srcdir)/libgsf.syms
 if WITH_WIN32
   libgsf_1_la_DEPENDENCIES = lib.def
   libgsf_1_la_LDFLAGS += -no-undefined -export-symbols lib.def