include cleanups: remove unused headers and add feature test macros

[musl] / src / process / system.c

diff --git a/src/process/system.c b/src/process/system.c
index f5b7b49..8cbdda0 100644 (file)
--- a/src/process/system.c
+++ b/src/process/system.c
@@ -1,5 +1,5 @@
 #include <unistd.h>
-#include <fcntl.h>
+#include <stdlib.h>
 #include <signal.h>
 #include <sys/wait.h>
 #include <spawn.h>