firmware-utils/mksercommfw: fix musl build

* add missing <sys/types.h> for musl

Signed-off-by: Andy Walsh <andy.walsh44+github@gmail.com>

diff --git a/src/mksercommfw.c b/src/mksercommfw.c
index 3c561708d1c962dff72dfb5de8de77cb5b6fa33c..b415776a956d7e3a5fa886df7d8476911a98f9dc 100644 (file)
--- a/src/mksercommfw.c
+++ b/src/mksercommfw.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <sys/types.h>
 
 /* #define DEBUG 1 */