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-rw-r--r--libiberty/vfork.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libiberty/vfork.c b/libiberty/vfork.c
index 86c45919f66..5e877210081 100644
--- a/libiberty/vfork.c
+++ b/libiberty/vfork.c
@@ -1,6 +1,10 @@
/* Emulate vfork using just plain fork, for systems without a real vfork.
This function is in the public domain. */
+#include "ansidecl.h"
+
+extern int fork PARAMS ((void));
+
int
vfork ()
{