package/cpulimit: Refresh patch

Make sure that
/0002-Remove-sys-sysctl.h-and-add-missing-libgen.h-include.patch applies
cleanly without any fuzz by refreshing it.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Yann E. MORIN <yann.morin@orange.com>
Reviewed-by: Yann E. MORIN <yann.morin@orange.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/cpulimit/0002-Remove-sys-sysctl.h-and-add-missing-libgen.h-include.patch

@@ -35,8 +35,8 @@ index 06d73a6f3541..d4f6fab3385c 100644
  #include <signal.h>
 +#include <libgen.h>
  
- #include <assert.h>
- 
+ #if defined(__APPLE__) || defined(__FREEBSD__)
+ #include <libgen.h>
 -- 
 2.25.1