Fix wrong type of gcc specific types

src/sample_2.cpp

@@ -44,10 +44,8 @@ int main(int argc, char** arguments) {
     // Special gcc feature: even larger integers
     // Warning: These cannot normally be written to cout/cerr
     //          and many common operations might not be supported
-	int128_t var9;
-	uint128_t var10;
-
-
+    __int128_t var9;
+    __uint128_t var10;
 
     // Floating point types
 
@@ -56,14 +54,11 @@ int main(int argc, char** arguments) {
     // FLT_MIN      = 1.175494e-38
     // FLT_MAX      = 3.402823e+38
 
-
     // 64 bit floating point
     double fp_number_2 = 1e10;
     // DBL_MIN      = 2.2250738585072014e-308
     // DBL_MAX      = 1.7976931348623157e+308
 
-
-
     // Strings of text
     std::string text_contents = "Hello world";