[gtk-doc] Revert "gtk-doc.make: conditionally append to EXTRA_DIST"

[Stefan Kost <stefkost src gnome org>]

commit 64ea27c7e57c0487fabb6250d39d33f8c1e38cc1
Author: Stefan Sauer <ensonic users sf net>
Date:   Mon Oct 17 14:43:11 2011 +0200

    Revert "gtk-doc.make: conditionally append to EXTRA_DIST"
    
    This reverts commit 9a85eb5eee31a5d0171ab6fb0a8d00ce758d4b0f.

 gtk-doc.make        |    6 +-----
 gtk-doc.notmpl.make |    6 +-----
 2 files changed, 2 insertions(+), 10 deletions(-)
---
diff --git a/gtk-doc.make b/gtk-doc.make
index 33c7751..1f75dfd 100644
--- a/gtk-doc.make
+++ b/gtk-doc.make
@@ -29,11 +29,7 @@ SETUP_FILES = \
 	$(DOC_MODULE)-sections.txt	\
 	$(DOC_MODULE)-overrides.txt
 
-ifeq ($(origin EXTRA_DIST), undefined)
-EXTRA_DIST =
-end
-
-EXTRA_DIST += 				\
+EXTRA_DIST = 				\
 	$(HTML_IMAGES)			\
 	$(SETUP_FILES)
 
diff --git a/gtk-doc.notmpl.make b/gtk-doc.notmpl.make
index cfdeb86..9841de4 100644
--- a/gtk-doc.notmpl.make
+++ b/gtk-doc.notmpl.make
@@ -29,11 +29,7 @@ SETUP_FILES = \
 	$(DOC_MODULE)-sections.txt	\
 	$(DOC_MODULE)-overrides.txt
 
-ifeq ($(origin EXTRA_DIST), undefined)
-EXTRA_DIST =
-end
-
-EXTRA_DIST +=				\
+EXTRA_DIST = 				\
 	$(HTML_IMAGES)			\
 	$(SETUP_FILES)