fixing solve_autoconf for archlinux

script/solve_autoconf

@@ -15,8 +15,8 @@ if [ x"$1" = x"osx" ]; then
         possible_solutions "${commands[@]}"
 elif [ x"$1" = x"linux"  ]; then
 	pc_install_command $pcman
-        commands[0]="su -c \"$pc_install_command autoconf\""
-        commands[1]="sudo $pc_install_command autoconf"
+        commands[0]="su -c \"$pc_install_command_ret autoconf\""
+        commands[1]="sudo $pc_install_command_ret autoconf"
         possible_solutions "${commands[@]}"
 fi
 }