Fixed bug in asDouble.

ZString.cpp

@@ -145,8 +145,7 @@ namespace coreutils {
 	      return value;
 	 }	 
       }
-      if(*cursor != '.') 
-	if(cursor == end) {
+      if(*cursor != '.') {	   
 	 if(negative)
 	   return -value;
 	 else