typo

tools/erase_lines

@@ -3,7 +3,7 @@
 # Clears the entire current line regardless of terminal size.
 # See the magic by running:
 # { sleep 1; clear_this_line ; }&
-clear_this_line() {
+function clear_this_line {
         printf '\r'
         cols="$(tput cols)"
         for i in $(seq "$cols"); do
@@ -16,7 +16,7 @@ clear_this_line() {
 # Usage: erase_lines [AMOUNT]
 # See the magic by running:
 # { sleep 1; erase_lines 2; }&
-erase_lines() {
+function erase_lines {
         # Default line count to 1.
         test -z "$1" && lines="1" || lines="$1"