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-rw-r--r--stdio-common/psiginfo.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/stdio-common/psiginfo.c b/stdio-common/psiginfo.c
index 9fc2911fd1..e089fcaa42 100644
--- a/stdio-common/psiginfo.c
+++ b/stdio-common/psiginfo.c
@@ -16,6 +16,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#include <errno.h>
 #include <libintl.h>
 #include <signal.h>
 #include <stdint.h>