tftp

try to fix a bug Lorenz told me about
in fread

tests/tfpt_tests.cpp

@@ -76,7 +76,7 @@ TEST(TFTP, custom_fwrite) {
     write_file.len = 0;
 }
 
-TEST(TFTP, custom_fread_fwrite_suggested_by_Lorentz) {
+TEST(TFTP, custom_fread_fwrite_suggested_by_Lorenz) {
     write_file.data = (char*)malloc(21 * sizeof(char));
     write_file.len = 21;
     write_file.offset = 0;