Fix for facet scope page no loading.

I'm not sure why this was a problem, and why the fix resolves it...
diff --git a/plugins/org.eclipse.tigerstripe.workbench.ui.base/src/java/org/eclipse/tigerstripe/workbench/ui/internal/editors/segment/scope/IncludeExcludeSection.java b/plugins/org.eclipse.tigerstripe.workbench.ui.base/src/java/org/eclipse/tigerstripe/workbench/ui/internal/editors/segment/scope/IncludeExcludeSection.java
index 16ddcf2..59d7722 100644
--- a/plugins/org.eclipse.tigerstripe.workbench.ui.base/src/java/org/eclipse/tigerstripe/workbench/ui/internal/editors/segment/scope/IncludeExcludeSection.java
+++ b/plugins/org.eclipse.tigerstripe.workbench.ui.base/src/java/org/eclipse/tigerstripe/workbench/ui/internal/editors/segment/scope/IncludeExcludeSection.java
@@ -439,9 +439,11 @@
             // multiple patterns to Facet editor
             int index = 0;
             while (scope.containsPattern(newPattern)) {
-                newPattern.setPattern(newPattern.getPattern().substring(0,
-                        newPattern.getPattern().lastIndexOf((index - 1 == -1 ? "" : String.valueOf(index - 1)) + ".*"))
-                        + String.valueOf(index) + ".*");
+                String pString = newPattern.getPattern().substring(0,
+                      newPattern.getPattern().lastIndexOf((index - 1 == -1 ? "" : String.valueOf(index - 1)) + ".*")) ;
+                pString = pString + String.valueOf(index) + ".*";
+                
+                newPattern.setPattern(pString);
                 index++;
             }