[gnome-builder] build: set G_SLICE=always-malloc when debugging

[Christian Hergert <chergert src gnome org>]

commit 32bcde5779619a86a5c88de9a28308b48cdd2d11
Author: Christian Hergert <chergert redhat com>
Date:   Fri May 13 14:41:39 2016 +0300

    build: set G_SLICE=always-malloc when debugging
    
    Just to avoid dealing with magazine issues.

 Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index d9d7bdb..8b65b19 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -92,6 +92,7 @@ strace:
        $(LIBTOOL) --mode=execute strace -T src/gnome-builder -vvvv -s
 
 debug:
+       G_SLICE=always-malloc \
        PEAS_DEBUG=1 \
        GB_IN_TREE_PLUGINS=1 \
        GB_IN_TREE_FONTS=1 \