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-rw-r--r--lib/free.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/free.c b/lib/free.c
index 9e3435640..597088d4e 100644
--- a/lib/free.c
+++ b/lib/free.c
@@ -18,7 +18,7 @@
/* written by Paul Eggert */
-#if HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#undef free