debugger: fix partial display of children in locals and watchers

Change-Id: I4edc6875f3d24a75dd5554a01ae01946e5c9ae76
Reviewed-on: http://codereview.qt.nokia.com/209

Reviewed-by: hjk <qthjk@ovi.com>

share/qtcreator/gdbmacros/dumper.py

@@ -1253,6 +1253,7 @@ class Dumper:
         #
         # Locals
         #
+        locals = []
         fullUpdateNeeded = True
         if self.partialUpdate and len(varList) == 1 and not self.tooltipOnly:
             #warn("PARTIAL: %s" % varList)
@@ -1272,7 +1273,6 @@ class Dumper:
                 pass
             varList = []
 
-        locals = []
         if fullUpdateNeeded and not self.tooltipOnly and not self.noLocals:
             locals = listOfLocals(varList)