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-rw-r--r--libio/iopopen.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libio/iopopen.c b/libio/iopopen.c
index 2eff45b4c8..82c1036000 100644
--- a/libio/iopopen.c
+++ b/libio/iopopen.c
@@ -177,6 +177,7 @@ _IO_new_proc_open (FILE *fp, const char *command, const char *mode)
   _IO_mask_flags (fp, read_or_write, _IO_NO_READS|_IO_NO_WRITES);
   return fp;
 }
+libc_hidden_def (_IO_new_proc_open)
 
 FILE *
 _IO_new_popen (const char *command, const char *mode)