[pango] Only check doc coverage if building docs

[Behdad Esfahbod <behdad src gnome org>]

commit 7f821fb6f714095c431f2195eb42ea2d288f84af
Author: Behdad Esfahbod <behdad behdad org>
Date:   Wed Sep 9 20:25:32 2009 -0400

    Only check doc coverage if building docs

 docs/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 2af8767..9e5b606 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -154,7 +154,9 @@ endif
 
 .PHONY: dist-local-check-no-cross-references
 
+if ENABLE_GTK_DOC
 TESTS = check.docs
 TESTS_ENVIRONMENT = srcdir="$(srcdir)" top_srcdir="$(top_srcdir)" MAKE="$(MAKE) $(AM_MAKEFLAGS)" DOC_MODULE="$(DOC_MODULE)" REPORT_FILES="$(REPORT_FILES)"
+endif
 
 -include $(top_srcdir)/git.mk