util: fix build on systems missing strndupa

we need include shared/missing.h to be able to compile on sysmtes that
lacks strndupa.

diff --git a/shared/util.c b/shared/util.c
index 855d4e428e44403b38fafb7f00d84dee612e5fbd..23bbb26a0961c95a99359134c808d2ba8931cdd8 100644 (file)
--- a/shared/util.c
+++ b/shared/util.c
@@ -30,6 +30,7 @@
 #include <string.h>
 #include <unistd.h>
 
+#include <shared/missing.h>
 #include <shared/util.h>
 
 #define USEC_PER_SEC  1000000ULL