Fix building futility against musl am: edce551727 am: 2f12db35a6 am: 18ac24edae am: e535c25a5d

Original change: https://android-review.googlesource.com/c/platform/external/vboot_reference/+/1969999

Change-Id: I1c2d8a3c2ca1b9406a0ac1e7ecf4a16ea4e912ce
diff --git a/futility/dump_kernel_config_lib.c b/futility/dump_kernel_config_lib.c
index c2d5943..4fe990c 100644
--- a/futility/dump_kernel_config_lib.c
+++ b/futility/dump_kernel_config_lib.c
@@ -5,10 +5,10 @@
  * Exports the kernel commandline from a given partition/image.
  */
 
+#include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/mman.h>
-#include <sys/fcntl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>