Fix a potential memory leak on non-windows systems.

Also added a FIXME to BPStructs.cpp and BPMemLoader.cpp

Source/Core/VideoCommon/Src/BPStructs.cpp

@@ -519,6 +519,7 @@ void BPWritten(const BPCmd& bp)
 
 				for (u32 i = 0; i < tmem_cfg.preload_tile_info.count; ++i)
 				{
+					// FIXME: Duplicate conditions.
 					if (tmem_addr_even + TMEM_LINE_SIZE > TMEM_SIZE ||
 						tmem_addr_even + TMEM_LINE_SIZE > TMEM_SIZE)
 						break;