meson: Add version to library

Otherwise bitbake will treat it as a private library and not move it to
the proper directory and generate the necessary shlib metadata.

Change-Id: Ibc1409fd63ff1d73ef97e9fb7ed4aa370807c0a9
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/meson.build b/src/meson.build
index 4e8b5b5..eec3218 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -18,6 +18,7 @@
   ],
   include_directories: includes,
   implicit_include_directories: false,
+  version: meson.project_version(),
   dependencies: libsystemd,
   install: true)