fontconfig required version

[Emanuele Giaquinta <emanuele.giaquinta@gmail.com>]

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Hi,

The attached patch bumps the fontconfig required version to 2.2.0
because ftfont.c uses the FC_WIDTH / FC_WEIGHT_REGULAR macros which
are available since 2.2.0 [1].

Emanuele Giaquinta

[1] http://gitweb.freedesktop.org/?p=fontconfig;a=commit;h=81fa16c3366a701255f4e52cdfd716dd06253748

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Index: configure.in
===================================================================
RCS file: /cvsroot/emacs/emacs/configure.in,v
retrieving revision 1.511
diff -u -r1.511 configure.in
--- configure.in	9 Feb 2008 18:03:10 -0000	1.511
+++ configure.in	21 Feb 2008 12:13:17 -0000
@@ -2039,7 +2039,7 @@
 
   PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
   if test "${HAVE_FREETYPE}" = "yes"; then
-    PKG_CHECK_MODULES(FONTCONFIG, fontconfig, HAVE_FC=yes, HAVE_FC=no)
+    PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2.0, HAVE_FC=yes, HAVE_FC=no)
     if test "${HAVE_FC}" = "no"; then
       dnl Witout fontconfig, we can't use freetype at the moment.
       HAVE_FREETYPE=no