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-rw-r--r--sysdeps/generic/morecore.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/generic/morecore.c b/sysdeps/generic/morecore.c
index 0498378769..23bc7e5597 100644
--- a/sysdeps/generic/morecore.c
+++ b/sysdeps/generic/morecore.c
@@ -31,6 +31,7 @@
 
 #include <stddef.h>
 extern __malloc_ptr_t __sbrk __P ((ptrdiff_t increment));
+libc_hidden_proto (__sbrk)
 #endif
 
 #ifndef NULL