Fix bit_extract sample

Change-Id: I933f932bac26d9a9469d5d069973af166e11cbcd

hipamd/samples/0_Intro/bit_extract/Makefile

@@ -12,7 +12,7 @@ ifeq (${HIP_PLATFORM}, nvcc)
 	HIPCC_FLAGS = -gencode=arch=compute_20,code=sm_20 
 endif
 ifeq (${HIP_PLATFORM}, hcc)
-	HIPCC_FLAGS =
+	HIPCC_FLAGS = -stdlib=libc++
 endif
 
 

hipamd/samples/0_Intro/bit_extract/bit_extract.cpp

@@ -22,6 +22,9 @@ THE SOFTWARE.
 #include <stdio.h>
 #include <iostream>
 #include <hip_runtime.h>
+#ifdef __HIP_PLATFORM_HCC__
+#include <hc.hpp>
+#endif
 
 
 #define CHECK(cmd) \