[gnome-builder] clang: change llvm check ordering

[Christian Hergert <chergert src gnome org>]

commit 0ca0a3ea7af90a74be85186622ff6696fc285ebe
Author: Christian Hergert <chergert redhat com>
Date:   Sun Mar 19 04:47:27 2017 -0700

    clang: change llvm check ordering

 plugins/clang/configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/plugins/clang/configure.ac b/plugins/clang/configure.ac
index bd9c132..ffb66c6 100644
--- a/plugins/clang/configure.ac
+++ b/plugins/clang/configure.ac
@@ -10,13 +10,13 @@ AS_IF([test "$enable_clang_plugin" != "no"],[
        real_enable_clang_plugin=$enable_clang_plugin
        enable_clang_plugin=no
        AC_CHECK_PROGS([LLVM_CONFIG], [ \
+               llvm-config-4.0 llvm-config40 \
                llvm-config-3.9 llvm-config39 \
                llvm-config-3.8 llvm-config38 \
                llvm-config-3.7 llvm-config37 \
                llvm-config-3.6 llvm-config36 \
                llvm-config-3.5 llvm-config35 \
-               llvm-config \
-               llvm-config-4.0 llvm-config-devel], [])
+               llvm-config llvm-config-devel], [])
        AS_IF([test "x$LLVM_CONFIG" = "x"],[],[
                CLANG_INCLUDEDIR=`$LLVM_CONFIG --includedir`
                CLANG_CFLAGS="-I$CLANG_INCLUDEDIR"