[gnome-build-meta/alatiera/mutter-format] core/mutter.bst: Tweak yaml format of conf-local

[Jordan Petridis <jpetridis src gnome org>]

commit 0ebc2b3a6092fab5a5fdb302b6aa967fb8aeb1e3
Author: Jordan Petridis <jpetridis gnome org>
Date:   Wed Oct 10 10:30:11 2018 +0300

    core/mutter.bst: Tweak yaml format of conf-local

 elements/core/mutter.bst | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/elements/core/mutter.bst b/elements/core/mutter.bst
index 278c8e5..3b28faf 100644
--- a/elements/core/mutter.bst
+++ b/elements/core/mutter.bst
@@ -27,5 +27,10 @@ depends:
 - filename: base.bst
   junction: freedesktop-sdk.bst
 variables:
-  conf-local: --enable-compile-warnings=maximum --enable-installed-tests --enable-xlib-egl-platform
-    --enable-wayland-egl-platform --enable-wayland-egl-server --enable-kms-egl-platform
+  conf-local: |
+    --enable-compile-warnings=maximum \
+    --enable-installed-tests \
+    --enable-xlib-egl-platform \
+    --enable-wayland-egl-platform \
+    --enable-wayland-egl-server \
+    --enable-kms-egl-platform