Fix a regression in myfork.c causing build failures when libtool does not

define LT_OBJDIR.

src/myfork.c

@@ -48,6 +48,11 @@
 #include "md5.h"
 #include "timer.h"
 
+/* Handle old libtool versions */
+#if !defined LT_OBJDIR
+#   define LT_OBJDIR ".libs/"
+#endif
+
 #if defined RLIMIT_AS
 #   define ZZUF_RLIMIT_MEM RLIMIT_AS
 #elif defined RLIMIT_VMEM

src/zzuf.c

@@ -75,11 +75,6 @@
 #   define SIGKILL 9
 #endif
 
-/* Handle old libtool versions */
-#if !defined LT_OBJDIR
-#   define LT_OBJDIR ".libs/"
-#endif
-
 #if defined RLIMIT_AS
 #   define ZZUF_RLIMIT_MEM RLIMIT_AS
 #elif defined RLIMIT_VMEM