[gnome-builder/gnome-builder-3-18] libide: add helper to remove GSource by id

[Christian Hergert <chergert src gnome org>]

commit 2c0afd7f380076cbce1f68ca20158bffaa5a4224
Author: Christian Hergert <christian hergert me>
Date:   Tue Sep 29 12:24:44 2015 -0700

    libide: add helper to remove GSource by id

 libide/ide-macros.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide-macros.h b/libide/ide-macros.h
index 9617128..2226b04 100644
--- a/libide/ide-macros.h
+++ b/libide/ide-macros.h
@@ -37,6 +37,15 @@ G_BEGIN_DECLS
     } \
   } G_STMT_END
 
+#define ide_clear_source(src) \
+  G_STMT_START {\
+    if (*(src) != 0) { \
+      guint __src_handler_id = *(src); \
+      *(src) = 0; \
+      g_source_remove (__src_handler_id); \
+    } \
+  } G_STMT_END
+
 static inline gboolean
 ide_str_empty0 (const gchar *str)
 {