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-rw-r--r--libbacklight.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libbacklight.c b/libbacklight.c
index 9ab6608..be2e372 100644
--- a/libbacklight.c
+++ b/libbacklight.c
@@ -39,6 +39,7 @@
#include <fcntl.h>
#include <malloc.h>
#include <string.h>
+#include <unistd.h>
static const char *output_names[] = { "Unknown",
"VGA",