#13 Decompiler should remove redundtant "return" statements

[John Källén]

Any "return;" statements in tail position are redundant and should be removed:

if (foo) {
g_bar = 4;
return;
} else {
g_bar = 8;
return;
}

should be:

if (foo) {
g_bar = 4;
} else {
g_bar = 8;
}