wxStopWatch::Start() didn't resume it contrary to the docs

Backport from head


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@20013 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -180,6 +180,7 @@ All:
 - improved wxScrolledWindow/sizer interaction
 - fixed assert (and crash in debug) in wxFileConfigGroup::DeleteSubgroupByName
 - fix for deleting entries at root level in wxFileConfig
+- wxStopWatch::Start() didn't resume it contrary to the docs
 
 Unix (GUI):
 

src/common/timercmn.cpp

@@ -169,6 +169,7 @@ void wxStopWatch::Start(long t)
 {
     m_t0 = wxGetLocalTimeMillis() - t;
     m_pause = 0;
+    m_pauseCount = 0;
 }
 
 long wxStopWatch::GetElapsedTime() const