[gnome-builder] build: allow building with llvm 5.0 and svn trunk

[Ting-Wei Lan <lantw src gnome org>]

commit 9842898d657532c1b160641138c646327a171157
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Thu Dec 28 14:44:30 2017 +0800

    build: allow building with llvm 5.0 and svn trunk
    
    https://bugzilla.gnome.org/show_bug.cgi?id=792003

 src/plugins/clang/meson.build |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/clang/meson.build b/src/plugins/clang/meson.build
index 6bdf713..4f01553 100644
--- a/src/plugins/clang/meson.build
+++ b/src/plugins/clang/meson.build
@@ -38,13 +38,14 @@ clang_sources = [
 
 llvm_config = find_program(
   'llvm-config',
+  'llvm-config-5.0', 'llvm-config50',
   '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-5.0', 'llvm-config-devel',
+  'llvm-config-6.0', 'llvm-config-devel',
 )
 
 ret = run_command(llvm_config, '--includedir')