Ports: Update the C-ray renderer port

Ports/c-ray/patches/fix-usleep.patch

@@ -0,0 +1,27 @@
+diff --git a/src/utils/timer.c b/src/utils/timer.c
+index 9978a99..c94d33d 100644
+--- a/src/utils/timer.c
++++ b/src/utils/timer.c
+@@ -48,20 +48,13 @@ long getUs(struct timeval timer) {
+ 	return ((tmr2.tv_sec - timer.tv_sec) * 1000000) + (tmr2.tv_usec - timer.tv_usec);
+ }
+ 
++#include <unistd.h>
++
+ /**
+  Sleep for a given amount of milliseconds
+  
+  @param ms Milliseconds to sleep for
+  */
+ void sleepMSec(int ms) {
+-#ifdef WINDOWS
+-	Sleep(ms);
+-#elif __APPLE__
+-	struct timespec ts;
+-	ts.tv_sec = ms / 1000;
+-	ts.tv_nsec = (ms % 1000) * 1000000;
+-	nanosleep(&ts, NULL);
+-#elif __linux__
+ 	usleep(ms * 1000);
+-#endif
+ }