silence -Wstringop-truncation warning

Author: ben-strasser

csv.h

@@ -75,7 +75,9 @@ namespace io{
 
                         void set_file_name(const char*file_name){
                                 if(file_name != nullptr){
-                                        strncpy(this->file_name, file_name, sizeof(this->file_name));
+                                        // This call to strncpy has parenthesis around it
+                                        // to silence the GCC -Wstringop-truncation warning
+                                        (strncpy(this->file_name, file_name, sizeof(this->file_name)));
                                         this->file_name[sizeof(this->file_name)-1] = '\0';
                                 }else{
                                         this->file_name[0] = '\0';