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-rw-r--r--shadow/lckpwdf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/shadow/lckpwdf.c b/shadow/lckpwdf.c
index 09427eb233..15602efb68 100644
--- a/shadow/lckpwdf.c
+++ b/shadow/lckpwdf.c
@@ -24,6 +24,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <sys/file.h>
+#include <sigsetops.h>
 
 #include <kernel-features.h>