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Diffstat (limited to 'Build/source/texk/xdvipdfmx/src/pdfdraw.c')
-rw-r--r--Build/source/texk/xdvipdfmx/src/pdfdraw.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/texk/xdvipdfmx/src/pdfdraw.c b/Build/source/texk/xdvipdfmx/src/pdfdraw.c
index 9e0a4fad0bd..55de69b1866 100644
--- a/Build/source/texk/xdvipdfmx/src/pdfdraw.c
+++ b/Build/source/texk/xdvipdfmx/src/pdfdraw.c
@@ -1001,7 +1001,7 @@ m_stack_top (m_stack *stack)
return data;
}
-#define m_stack_depth(s) ((s) ? (s)->size : 0)
+#define m_stack_depth(s) (((s) != NULL) ? (s)->size : 0)
static m_stack gs_stack;