add cleanup step to remove redundant return;

void functions do not need to return; at the end. The empty return was
left over after removing the RET() macro in
f7344c42 and
3e916da0

cleanup/cleanup.sh

@@ -73,6 +73,14 @@ sed -i 's|\(#define DBG1.*\)||g' tn40.h
 (! grep -Iq DBG1 *.{c,h}) || (echo 'unexpected DBG1 macro remaining.' && false)
 
 
+# remove redundant return at end of void functions
+# look for one level of tab indentation to determine function scope, instead of
+# early returns from block scope. It's ugly, but semantically-important
+# whitespace works for python and Lindent ensures that the indentation is
+# consistent here.
+sed -i 's|^\treturn;.*||g' *.c
+
+
 # Insert new cleanup steps above this comment.
 # Keep Lindent as the last step.