Add missing header files to fix C99 compatibility.

git-svn-id: svn://svn.berlios.de/openocd/trunk@1559 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/jtag/jtag.c

@@ -35,9 +35,12 @@
 #include "command.h"
 #include "log.h"
 
-#include "stdlib.h"
-#include "string.h"
+#include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
 
 /* note that this is not marked as static as it must be available from outside jtag.c for those
    that implement the jtag_xxx() minidriver layer