Modified Usage string, 01_FHEMWEB.pm needs a certain syntax

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@409 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/61_EMWZ.pm

@@ -146,7 +146,7 @@ EMWZ_Set($@)
     $v *= 10; # Make display and input the same
     $msg = sprintf("79%02x3102%02x%02x", $d-1, $v%256, int($v/256));
   } else {
-    return $u;
+    return "Unknown argument $a[1], choose one of price alarm rperkw";
   }
 
 

fhem/FHEM/63_EMGZ.pm

@@ -138,7 +138,7 @@ EMGZ_Set($@)
     $v *= 10000; # Make display and input the same
     $msg = sprintf("79%02x2f02%02x%02x", $d-1, $v%256, int($v/256));
   } else {
-    return $u;
+    return "Unknown argument $a[1], choose one of price";
   }