fix(string_view): cleanup memmcpy line artifacts

include/c-libs/string-view.h

@@ -175,10 +175,10 @@ char *sv_clone(StringView sv);
 
 ///
 ///@brief Concatenate a list of string views with a separator. The result must
-///be freed
+/// be freed
 ///
 ///@return char a null-terminated string containing all svs separated with sep.
-///Must be freed
+/// Must be freed
 ///
 char *sv_concat_with_sep(const StringView *svs, size_t n, StringView sep);
 
@@ -340,7 +340,7 @@ char *sv_concat_with_sep(const StringView *svs, size_t n, StringView sep) {
     }
 
     size_t l = sv_len(svs[i]);
-    memcpy(wri
+    memcpy(write_head, svs[i].data, l);
     write_head += l;
   }