Fix: Target editor no longer shows unresolvable IUs #2220

The change 7444c3f wrongfully inverted
the isOK() check, causing unresolvable IUs to no longer show up in the
target editor.

Closes #2220

Author: ptziegler

ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/shared/target/TargetLocationContentProvider.java

@@ -126,7 +126,7 @@ public Object[] getElements(Object inputElement) {
 					}
 					result.add(containers[i]);
 					IStatus status = containers[i].getStatus();
-					if (status != null && status.isOK()) {
+					if (status != null && !status.isOK()) {
 						hasContainerStatus = true;
 					}
 				}