fixincludes: Add missing hunk to tests/base/ioLib.h

When adding the vxworks_iolib_include_unistd hack I failed to add the
appropriate hunk to the tests/base/ioLib.h file, causing "make
check-fixincludes" to fail.

From-SVN: r262177

fixincludes/ChangeLog

+2018-06-27  Rasmus Villemoes  <rv@rasmusvillemoes.dk>
+
+	* tests/base/ioLib.h [VXWORKS_IOLIB_INCLUDE_UNISTD_CHECK]: Add
+	missing hunk.
+
 2018-06-12    Rasmus Villemoes <rasmus.villemoes@prevas.dk>
 
 	* genfixes: exit 1 when autogen not found.

fixincludes/tests/base/ioLib.h

@@ -17,3 +17,8 @@ extern int ioctl ( int asdf1234, int jkl , int qwerty ) ;
 #if defined( VXWORKS_WRITE_CONST_CHECK )
 extern int  write (int, const char*, size_t);
 #endif  /* VXWORKS_WRITE_CONST_CHECK */
+
+
+#if defined( VXWORKS_IOLIB_INCLUDE_UNISTD_CHECK )
+#include <unistd.h>
+#endif  /* VXWORKS_IOLIB_INCLUDE_UNISTD_CHECK */