[gimp] configure: oups, forgot to change an autoconfig variable.

[Jehan Pagès <jehanp src gnome org>]

commit 12f93534105d26d8591abde4f4939e966dacbbd8
Author: Jehan <jehan girinstud io>
Date:   Sun Feb 25 03:49:42 2018 +0100

    configure: oups, forgot to change an autoconfig variable.
    
    Cf. previous commit.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index de87b1c..876ffe4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -180,7 +180,7 @@ AC_SUBST(LIBMYPAINT_REQUIRED_VERSION)
 AC_SUBST(PANGOCAIRO_REQUIRED_VERSION)
 AC_SUBST(BABL_REQUIRED_VERSION)
 AC_SUBST(FONTCONFIG_REQUIRED_VERSION)
-AC_SUBST(FONTCONFIG_WIN32_RECOMMENDED_VERSION)
+AC_SUBST(FONTCONFIG_WIN32_REQUIRED_VERSION)
 AC_SUBST(FREETYPE2_REQUIRED_VERSION)
 AC_SUBST(HARFBUZZ_REQUIRED_VERSION)
 AC_SUBST(WEBKIT_REQUIRED_VERSION)