[gjs] configure: Accept Fedora's "libjs" for js185

[Colin Walters <walters src gnome org>]

commit 13ad0f7346210d8dbcc5f92778d7fb1300db1e32
Author: Colin Walters <walters verbum org>
Date:   Wed Jun 22 16:18:33 2011 -0400

    configure: Accept Fedora's "libjs" for js185

 configure.ac |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ec5e164..2996c03 100644
--- a/configure.ac
+++ b/configure.ac
@@ -94,6 +94,9 @@ AC_CHECK_FUNCS(mallinfo)
 # First, try separate mozjs185 release
 AC_MSG_CHECKING([for standalone mozjs185])
 PKG_CHECK_EXISTS([mozjs185], JS_PACKAGE=mozjs185,)
+if test x$JS_PACKAGE = x; then
+    PKG_CHECK_EXISTS([libjs = 1.8.5], JS_PACKAGE=libjs,)
+fi
 if test x$JS_PACKAGE != x; then
     FIREFOX_JS_LIBDIR=
     MOZJS_IS_STANDALONE=yes