ignore false-positive buffer overflow

All sizes are checked within this function, there is no buffer overflow.
ignores CID 27834 found by Coverity

sched/sched_send.cpp

@@ -573,6 +573,7 @@ static int insert_after(char* buffer, const char* after, const char* text) {
         return ERR_XML_PARSE;
     }
     p += strlen(after);
+    // coverity[fixed_size_dest]
     strcpy(temp, p);
     strcpy(p, text);
     strcat(p, temp);