[gnome-builder] xml-parser: free ParserState with g_slice_free()

[Christian Hergert <chergert src gnome org>]

commit 1977f0053a731cfeb99128ad54178e88ea4bbf7e
Author: Christian Hergert <chergert redhat com>
Date:   Wed Mar 21 15:05:02 2018 -0700

    xml-parser: free ParserState with g_slice_free()

 src/plugins/xml-pack/ide-xml-parser.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/plugins/xml-pack/ide-xml-parser.c b/src/plugins/xml-pack/ide-xml-parser.c
index e1902c570..77f2d6c61 100644
--- a/src/plugins/xml-pack/ide-xml-parser.c
+++ b/src/plugins/xml-pack/ide-xml-parser.c
@@ -74,6 +74,8 @@ parser_state_free (ParserState *state)
 
   g_clear_pointer (&state->content, g_bytes_unref);
   g_clear_pointer (&state->schemas, g_array_unref);
+
+  g_slice_free (ParserState, state);
 }
 
 static gboolean