Fix VC warning

test/core/core_func_integer_find_lsb.cpp

@@ -166,7 +166,7 @@ static int ntz7(unsigned x)
 #	pragma warning(push)
 #	pragma warning(disable : 4146)
 #endif
-
+/*
 static int ntz7_christophe(unsigned x)
 {
 	unsigned y, bz, b4, b3, b2, b1, b0;
@@ -180,6 +180,7 @@ static int ntz7_christophe(unsigned x)
 	b0 = static_cast<unsigned>(!static_cast<bool>(y & 0x55555555)) * 1;
 	return bz + b4 + b3 + b2 + b1 + b0;
 }
+*/
 
 /* Below is David Seal's algorithm, found at
 http://www.ciphersbyritter.com/NEWS4/BITCT.HTM Table
@@ -385,15 +386,15 @@ int main()
 	TimestampEnd = std::clock();
 
 	std::printf("ntz7: %d clocks\n", static_cast<int>(TimestampEnd - TimestampBeg));
-
+/*
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
 	for (i = 0; i < n; i += 2) {
 		if (ntz7_christophe(test[i]) != test[i+1]) error(test[i], ntz7(test[i]));}
 	TimestampEnd = std::clock();
 
 	std::printf("ntz7_christophe: %d clocks\n", static_cast<int>(TimestampEnd - TimestampBeg));
-
+*/
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
 	for (i = 0; i < n; i += 2) {