32_yowsup.pm: fixed sendimg images to groups

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@10055 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/32_yowsup.pm

@@ -284,7 +284,12 @@ yowsup_Set($$@)
       return undef;
 
     } elsif( $cmd eq 'image' ) {
-      return yowsup_Write( $hash, "/image send $args[0] $args[1]" );
+      readingsSingleUpdate( $hash, "sent", 'image: '. join( ' ', @args ), 1 );
+
+      my $number = shift(@args);
+      $number =~ s/\./-/;
+
+      return yowsup_Write( $hash, "/image send $number $args[0]" );
 
       return undef;