treewide: replace make/build/configure/patchFlags with nix lists

pkgs/tools/text/ansifilter/default.nix

@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Tool to convert ANSI to other formats";
     longDescription = ''
-      Tool to remove ANSI or convert them to another format 
+      Tool to remove ANSI or convert them to another format
       (HTML, TeX, LaTeX, RTF, Pango or BBCode)
     '';
     homepage = "http://www.andre-simon.de/doku/ansifilter/en/ansifilter.php";

pkgs/tools/text/replace/default.nix

@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   outputs = [ "out" "man" ];
 
-  makeFlags = "TREE=\$(out) MANTREE=\$(TREE)/share/man";
+  makeFlags = [ "TREE=\$(out)" "MANTREE=\$(TREE)/share/man" ];
 
   preBuild = ''
     sed -e "s@/bin/mv@$(type -P mv)@" -i replace.h

pkgs/tools/text/zimreader/default.nix

@@ -12,7 +12,7 @@ stdenv.mkDerivation {
     sha256 = "0x529137rxy6ld64xqa6xmn93121ripxvkf3sc7hv3wg6km182sw";
   };
 
-  patchFlags = "-p2";
+  patchFlags = [ "-p2" ];
   patches = [
     (fetchpatch {
       name = "zimreader_tntnet221.patch";