Fixed two warning on sleep and exit implicitly defined (thanks to Holger Schurig :-).

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@102 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/src/detect.c

@@ -23,6 +23,8 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
 #include <ctype.h>
 #include <string.h>