git-authors: remove trailing spaces

Author: spacewander

bin/git-authors

@@ -38,7 +38,7 @@ authors() {
   if $NO_EMAIL; then
     # eamil will be used to uniq authors.
     git shortlog -sne | awk '{$1=""; sub(" ", ""); print}' | awk -F'<' '!x[$1]++' | awk -F'<' '!x[$2]++' \
-      | awk -F'<' '{print $1}'
+      | awk -F'<' '{gsub(/ +$/, "", $1); print $1}'
   else
     git shortlog -sne | awk '{$1=""; sub(" ", ""); print}' | awk -F'<' '!x[$1]++' | awk -F'<' '!x[$2]++'
   fi