Merge pull request #265 from Calinou/fix-freebsd-build

Fix compilation on FreeBSD
diff --git a/encoder/basisu_enc.cpp b/encoder/basisu_enc.cpp
index daaf65b..a726208 100644
--- a/encoder/basisu_enc.cpp
+++ b/encoder/basisu_enc.cpp
@@ -195,7 +195,7 @@
 	{
 		QueryPerformanceFrequency(reinterpret_cast<LARGE_INTEGER*>(pTicks));
 	}
-#elif defined(__APPLE__) || defined(__OpenBSD__)
+#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <sys/time.h>
 	inline void query_counter(timer_ticks* pTicks)
 	{