Fix for Bug #975 - sometimes (for example with a default installation of cygwin) there are environment-variables containing a new-line. We ignore anything after the first line and log the ignored lines with warning-level.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268885 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Property.java

@@ -245,8 +245,12 @@ public class Property extends Task {
             for (Enumeration e = osEnv.elements(); e.hasMoreElements(); ) {
                 String entry = (String)e.nextElement();
                 int pos = entry.indexOf('=');
-                props.put(prefix + entry.substring(0, pos), 
-                          entry.substring(pos + 1));
+                if (pos == -1) {
+                    log("Ignoring: " + entry, Project.MSG_WARN);
+                } else {
+                    props.put(prefix + entry.substring(0, pos), 
+                              entry.substring(pos + 1));
+                }
             }
             addProperties(props);
         } catch (Exception ex) {