Merge commit '8b56dbe7435d8cfe3964f447fc45fe98db5d9042'

* commit '8b56dbe7435d8cfe3964f447fc45fe98db5d9042':
  configure: Do not add newlines in filter()/filter_out() functions

Merged-by: Clément Bœsch <u@pkh.me>

configure

@@ -523,7 +523,7 @@ filter(){
     pat=$1
     shift
     for v; do
-        eval "case $v in $pat) echo $v ;; esac"
+        eval "case $v in $pat) printf '%s ' $v ;; esac"
     done
 }
 
@@ -531,7 +531,7 @@ filter_out(){
     pat=$1
     shift
     for v; do
-        eval "case $v in $pat) ;; *) echo $v ;; esac"
+        eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
     done
 }