[skip ci] Correct comment

Author: martinmoene

include/nonstd/string_view.hpp

@@ -267,7 +267,7 @@ using std::operator<<;
 # define nssv_HAS_CPP0X  0
 #endif
 
-// Unless defined otherwise below, consider VC14 as C++11 for variant-lite:
+// Unless defined otherwise below, consider VC14 as C++11 for string-view-lite:
 
 #if nssv_COMPILER_MSVC_VER >= 1900
 # undef  nssv_CPP11_OR_GREATER