Merge branch 'haiku' into 'master'

Add support for Haiku to meson.build

See merge request slirp/libslirp!123
diff --git a/meson.build b/meson.build
index abbf0c7..5fe33d3 100644
--- a/meson.build
+++ b/meson.build
@@ -69,6 +69,10 @@
   platform_deps += [
     cc.find_library('resolv')
   ]
+elif host_system == 'haiku'
+  platform_deps += [
+    cc.find_library('network')
+  ]
 endif
 
 cargs = [