[gnome-builder] langserv: be tolerant of NULL notification params

[Christian Hergert <chergert src gnome org>]

commit 60d758da641010be24b49f2dd7d02e44fc9d4c8b
Author: Christian Hergert <chergert redhat com>
Date:   Thu Feb 1 15:48:47 2018 -0800

    langserv: be tolerant of NULL notification params
    
    We can't guarantee this because it comes from the peer, and they are
    certainly free to send null for the params field.
    
    Fixes #390

 src/libide/langserv/ide-langserv-client.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/src/libide/langserv/ide-langserv-client.c b/src/libide/langserv/ide-langserv-client.c
index 2cf1cde08..ce3a6566e 100644
--- a/src/libide/langserv/ide-langserv-client.c
+++ b/src/libide/langserv/ide-langserv-client.c
@@ -618,10 +618,12 @@ ide_langserv_client_real_notification (IdeLangservClient *self,
 
   g_assert (IDE_IS_LANGSERV_CLIENT (self));
   g_assert (method != NULL);
-  g_assert (params != NULL);
 
-  if (g_str_equal (method, "textDocument/publishDiagnostics"))
-    ide_langserv_client_text_document_publish_diagnostics (self, params);
+  if (params != NULL)
+    {
+      if (g_str_equal (method, "textDocument/publishDiagnostics"))
+        ide_langserv_client_text_document_publish_diagnostics (self, params);
+    }
 
   IDE_EXIT;
 }